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51375288257315 = 5111192778317779
BaseRepresentation
bin10111010111001101111011…
…10011101000101100100011
320201220102121011122110111122
423223212331303220230203
523213213042243213230
6301133252005402455
713551512351631131
oct1353467563505443
9221812534573448
1051375288257315
1115408156963340
125918a6010942b
13228889073c5a9
14c98811c64751
155e15c858bbe5
hex2eb9bdce8b23

51375288257315 has 16 divisors (see below), whose sum is σ = 67260562548480. Its totient is φ = 37360712817120.

The previous prime is 51375288257291. The next prime is 51375288257339.

51375288257315 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51375288257291) and next prime (51375288257339).

It is not a de Polignac number, because 51375288257315 - 226 = 51375221148451 is a prime.

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, 38502905 + ... + 39814874.

It is an arithmetic number, because the mean of its divisors is an integer number (4203785159280).

Almost surely, 251375288257315 is an apocalyptic number.

51375288257315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51375288257315 is a deficient number, since it is larger than the sum of its proper divisors (15885274291165).

51375288257315 is a wasteful number, since it uses less digits than its factorization.

51375288257315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78329722.

The product of its digits is 70560000, while the sum is 62.

The spelling of 51375288257315 in words is "fifty-one trillion, three hundred seventy-five billion, two hundred eighty-eight million, two hundred fifty-seven thousand, three hundred fifteen".

Divisors: 1 5 11 55 11927 59635 131197 655985 78317779 391588895 861495569 4307477845 934096150133 4670480750665 10275057651463 51375288257315