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48237621128480 = 2557218133993137
BaseRepresentation
bin10101111011111001100100…
…10001011010110100100000
320022210110201202101102221002
422331330302101122310200
522310311122002102410
6250332020205451132
713106024135243300
oct1275746221326440
9208713652342832
1048237621128480
1114408507636123
1254b0935870aa8
1320bba32761654
14bca9db4c7600
15589b87d3c7a5
hex2bdf3245ad20

48237621128480 has 144 divisors (see below), whose sum is σ = 133299739545336. Its totient is φ = 16447238922240.

The previous prime is 48237621128479. The next prime is 48237621128503. The reversal of 48237621128480 is 8482112673284.

48237621128480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37901113206544 + 10336507921936 = 6156388^2 + 3215044^2 .

It is a super-3 number, since 3×482376211284803 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15577529 + ... + 18415608.

Almost surely, 248237621128480 is an apocalyptic number.

48237621128480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48237621128480 is an abundant number, since it is smaller than the sum of its proper divisors (85062118416856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48237621128480 is a wasteful number, since it uses less digits than its factorization.

48237621128480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33993347 (or 33993332 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 48237621128480 in words is "forty-eight trillion, two hundred thirty-seven billion, six hundred twenty-one million, one hundred twenty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 181 196 224 245 280 362 392 490 560 724 784 905 980 1120 1267 1448 1568 1810 1960 2534 2896 3620 3920 5068 5792 6335 7240 7840 8869 10136 12670 14480 17738 20272 25340 28960 35476 40544 44345 50680 70952 88690 101360 141904 177380 202720 283808 354760 709520 1419040 33993137 67986274 135972548 169965685 237951959 271945096 339931370 475903918 543890192 679862740 951807836 1087780384 1189759795 1359725480 1665663713 1903615672 2379519590 2719450960 3331327426 3807231344 4759039180 5438901920 6152757797 6662654852 7614462688 8328318565 9518078360 12305515594 13325309704 16656637130 19036156720 24611031188 26650619408 30763788985 33313274260 38072313440 43069304579 49222062376 53301238816 61527577970 66626548520 86138609158 98444124752 123055155940 133253097040 172277218316 196888249504 215346522895 246110311880 266506194080 301485132053 344554436632 430693045790 492220623760 602970264106 689108873264 861386091580 984441247520 1205940528212 1378217746528 1507425660265 1722772183160 2411881056424 3014851320530 3445544366320 4823762112848 6029702641060 6891088732640 9647524225696 12059405282120 24118810564240 48237621128480