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48758068520 = 23573135315913
BaseRepresentation
bin101101011010001101…
…010001010100101000
311122212000220111220122
4231122031101110220
51244324031143040
634222114342412
73344161513160
oct553215212450
9148760814818
1048758068520
11197507275a7
129548b8aa08
1347a0686825
1425078075a0
1514058251b5
hexb5a351528

48758068520 has 128 divisors (see below), whose sum is σ = 129797130240. Its totient is φ = 16130949120.

The previous prime is 48758068493. The next prime is 48758068523. The reversal of 48758068520 is 2586085784.

It is not an unprimeable number, because it can be changed into a prime (48758068523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3056084 + ... + 3071996.

It is an arithmetic number, because the mean of its divisors is an integer number (1014040080).

Almost surely, 248758068520 is an apocalyptic number.

48758068520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48758068520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64898565120).

48758068520 is an abundant number, since it is smaller than the sum of its proper divisors (81039061720).

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

48758068520 is a wasteful number, since it uses less digits than its factorization.

48758068520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315 (or 16311 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 48758068520 in words is "forty-eight billion, seven hundred fifty-eight million, sixty-eight thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 353 434 620 706 868 1085 1240 1412 1736 1765 2170 2471 2824 3530 4340 4942 7060 8680 9884 10943 12355 14120 15913 19768 21886 24710 31826 43772 49420 54715 63652 76601 79565 87544 98840 109430 111391 127304 153202 159130 218860 222782 306404 318260 383005 437720 445564 493303 556955 612808 636520 766010 891128 986606 1113910 1532020 1973212 2227820 2466515 3064040 3453121 3946424 4455640 4933030 5617289 6906242 9866060 11234578 13812484 17265605 19732120 22469156 27624968 28086445 34531210 39321023 44938312 56172890 69062420 78642046 112345780 138124840 157284092 174135959 196605115 224691560 314568184 348271918 393210230 696543836 786420460 870679795 1218951713 1393087672 1572840920 1741359590 2437903426 3482719180 4875806852 6094758565 6965438360 9751613704 12189517130 24379034260 48758068520