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54979130892 = 22371941840197
BaseRepresentation
bin110011001101000000…
…101111011000001100
312020220120221020011010
4303031000233120030
51400044124142032
641131305325220
73654301621230
oct631500573014
9166816836133
1054979130892
1121353316864
12a7a4496810
1352524a271a
142937b1c5c0
15166ba77ccc
hexccd02f60c

54979130892 has 96 divisors (see below), whose sum is σ = 158091655680. Its totient is φ = 14518586880.

The previous prime is 54979130837. The next prime is 54979130939. The reversal of 54979130892 is 29803197945.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354663 + ... + 485534.

It is an arithmetic number, because the mean of its divisors is an integer number (1646788080).

Almost surely, 254979130892 is an apocalyptic number.

It is an amenable number.

54979130892 is an abundant number, since it is smaller than the sum of its proper divisors (103112524788).

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

54979130892 is a wasteful number, since it uses less digits than its factorization.

54979130892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840271 (or 840269 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 54979130892 in words is "fifty-four billion, nine hundred seventy-nine million, one hundred thirty thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 41 42 57 76 82 84 114 123 133 164 228 246 266 287 399 492 532 574 779 798 861 1148 1558 1596 1722 2337 3116 3444 4674 5453 9348 10906 16359 21812 32718 65436 840197 1680394 2520591 3360788 5041182 5881379 10082364 11762758 15963743 17644137 23525516 31927486 34448077 35288274 47891229 63854972 68896154 70576548 95782458 103344231 111746201 137792308 191564916 206688462 223492402 241136539 335238603 413376924 446984804 482273078 654513463 670477206 723409617 964546156 1309026926 1340954412 1446819234 1963540389 2618053852 2893638468 3927080778 4581594241 7854161556 9163188482 13744782723 18326376964 27489565446 54979130892