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31048192896 = 273717679451
BaseRepresentation
bin11100111010100111…
…011101001110000000
32222010210122121201020
4130322213131032000
51002041314133041
622132514305440
72146255166550
oct347247351600
988123577636
1031048192896
1112192993956
126025b88280
132c0a5a6c96
14170773d160
15c1ab79866
hex73a9dd380

31048192896 has 128 divisors (see below), whose sum is σ = 99797909760. Its totient is φ = 8349081600.

The previous prime is 31048192859. The next prime is 31048192919. The reversal of 31048192896 is 69829184013.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294030 + ... + 385421.

It is an arithmetic number, because the mean of its divisors is an integer number (779671170).

Almost surely, 231048192896 is an apocalyptic number.

It is an amenable number.

31048192896 is an abundant number, since it is smaller than the sum of its proper divisors (68749716864).

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

31048192896 is a wasteful number, since it uses less digits than its factorization.

31048192896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679492 (or 679480 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 31048192896 in words is "thirty-one billion, forty-eight million, one hundred ninety-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 119 128 136 168 192 204 224 238 272 336 357 384 408 448 476 544 672 714 816 896 952 1088 1344 1428 1632 1904 2176 2688 2856 3264 3808 5712 6528 7616 11424 15232 22848 45696 679451 1358902 2038353 2717804 4076706 4756157 5435608 8153412 9512314 10871216 11550667 14268471 16306824 19024628 21742432 23101334 28536942 32613648 34652001 38049256 43484864 46202668 57073884 65227296 69304002 76098512 80854669 86969728 92405336 114147768 130454592 138608004 152197024 161709338 184810672 228295536 242564007 260909184 277216008 304394048 323418676 369621344 456591072 485128014 554432016 608788096 646837352 739242688 913182144 970256028 1108864032 1293674704 1478485376 1826364288 1940512056 2217728064 2587349408 3881024112 4435456128 5174698816 7762048224 10349397632 15524096448 31048192896