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8400008000048 = 2471074495093067
BaseRepresentation
bin111101000111100011101…
…1111100011001000110000
31002202000220000000012212012
41322033013133203020300
52100111204022000143
625510524351422052
71524611012630060
oct172170737431060
932660800005765
108400008000048
11274947258a145
12b37b89824928
1348c16aaa3952
142107c39253a0
15e87843de418
hex7a3c77e3230

8400008000048 has 160 divisors (see below), whose sum is σ = 18858775104000. Its totient is φ = 3550266703872.

The previous prime is 8400008000039. The next prime is 8400008000053.

8400008000048 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8400007999978 and 8400008000023.

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 31 ways as a sum of consecutive naturals, for example, 2738833811 + ... + 2738836877.

It is an arithmetic number, because the mean of its divisors is an integer number (117867344400).

Almost surely, 28400008000048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8400008000048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9429387552000).

8400008000048 is an abundant number, since it is smaller than the sum of its proper divisors (10458767103952).

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

8400008000048 is a wasteful number, since it uses less digits than its factorization.

8400008000048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 8400008000048 in words is "eight trillion, four hundred billion, eight million, forty-eight", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 16 28 56 107 112 214 428 449 509 749 856 898 1018 1498 1712 1796 2036 2996 3067 3143 3563 3592 4072 5992 6134 6286 7126 7184 8144 11984 12268 12572 14252 21469 24536 25144 28504 42938 48043 49072 50288 54463 57008 85876 96086 108926 171752 192172 217852 228541 328169 336301 343504 381241 384344 435704 457082 656338 672602 762482 768688 871408 914164 1312676 1345204 1377083 1524964 1561103 1599787 1828328 2297183 2625352 2690408 2754166 3049928 3122206 3199574 3656656 4594366 5250704 5380816 5508332 6099856 6244412 6399148 9188732 9639581 10927721 11016664 12488824 12798296 18377464 19279162 21855442 22033328 24453887 24977648 25596592 36754928 38558324 43710884 48907774 77116648 87421768 97815548 147347881 154233296 167038021 171177209 174843536 195631096 294695762 334076042 342354418 391262192 589391524 668152084 684708836 700935247 1031435167 1169266147 1178783048 1336304168 1369417672 1401870494 2062870334 2338532294 2357566096 2672608336 2738835344 2803740988 4125740668 4677064588 4906546729 5607481976 8251481336 9354129176 9813093458 11214963952 16502962672 18708258352 19626186916 39252373832 75000071429 78504747664 150000142858 300000285716 525000500003 600000571432 1050001000006 1200001142864 2100002000012 4200004000024 8400008000048