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51088640845738 = 2233139677849379
BaseRepresentation
bin10111001110111000000000…
…10010100010011110101010
320200220000201012222012121111
423213130000102202132222
523144014014024030423
6300353444140500534
713522014101060626
oct1347340022423652
9220800635865544
1051088640845738
1115307630974391
1258913a254a74a
13226783b063aa2
14c889bc230186
155d8ded27a60d
hex2e77004a27aa

51088640845738 has 16 divisors (see below), whose sum is σ = 76967378167680. Its totient is φ = 25432863850336.

The previous prime is 51088640845679. The next prime is 51088640845771. The reversal of 51088640845738 is 83754804688015.

It is a super-2 number, since 2×510886408457382 (a number of 28 digits) contains 22 as substring.

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, 2583933 + ... + 10433311.

It is an arithmetic number, because the mean of its divisors is an integer number (4810461135480).

Almost surely, 251088640845738 is an apocalyptic number.

51088640845738 is a deficient number, since it is larger than the sum of its proper divisors (25878737321942).

51088640845738 is a wasteful number, since it uses less digits than its factorization.

51088640845738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863581.

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 51088640845738 in words is "fifty-one trillion, eighty-eight billion, six hundred forty million, eight hundred forty-five thousand, seven hundred thirty-eight".

Divisors: 1 2 233 466 13967 27934 3254311 6508622 7849379 15698758 1828905307 3657810614 109632276493 219264552986 25544320422869 51088640845738