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30131255703688 = 2319487614065379
BaseRepresentation
bin1101101100111011110101…
…10010101111100010001000
310221200112001000110100201221
412312131322302233202020
512422132302430004223
6144030035140251424
76226624414433236
oct666357262574210
9127615030410657
1030131255703688
119667659362a27
1234677806a0b74
1313a749950c7c9
14762509525956
15373bb2eccb5d
hex1b677acaf888

30131255703688 has 32 divisors (see below), whose sum is σ = 59470817868000. Its totient is φ = 14272403852160.

The previous prime is 30131255703673. The next prime is 30131255703719. The reversal of 30131255703688 is 88630755213103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5378983 + ... + 9444361.

It is an arithmetic number, because the mean of its divisors is an integer number (1858463058375).

Almost surely, 230131255703688 is an apocalyptic number.

30131255703688 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30131255703688 is a deficient number, since it is larger than the sum of its proper divisors (29339562164312).

30131255703688 is a wasteful number, since it uses less digits than its factorization.

30131255703688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114165 (or 4114161 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 30131255703688 in words is "thirty trillion, one hundred thirty-one billion, two hundred fifty-five million, seven hundred three thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 19 38 76 152 48761 97522 195044 390088 926459 1852918 3705836 4065379 7411672 8130758 16261516 32523032 77242201 154484402 308968804 617937608 198231945419 396463890838 792927781676 1585855563352 3766406962961 7532813925922 15065627851844 30131255703688