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51616506016115 = 5311306325492591
BaseRepresentation
bin10111011110001111001111…
…00000010111000101110011
320202202111020001102020112022
423233013213200113011303
523231141101020003430
6301440143455222055
713605112065020135
oct1357074740270563
9222674201366468
1051616506016115
11154a048a008807
12595775b51792b
1322a55531b2751
14ca6376147055
155e79e53904e5
hex2ef1e7817173

51616506016115 has 16 divisors (see below), whose sum is σ = 63942762602496. Its totient is φ = 39958105269600.

The previous prime is 51616506016091. The next prime is 51616506016139. The reversal of 51616506016115 is 51161060561615.

It is an interprime number because it is at equal distance from previous prime (51616506016091) and next prime (51616506016139).

It is not a de Polignac number, because 51616506016115 - 234 = 51599326146931 is a prime.

It is a Duffinian 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, 10721531 + ... + 14771060.

It is an arithmetic number, because the mean of its divisors is an integer number (3996422662656).

Almost surely, 251616506016115 is an apocalyptic number.

51616506016115 is a deficient number, since it is larger than the sum of its proper divisors (12326256586381).

51616506016115 is a wasteful number, since it uses less digits than its factorization.

51616506016115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505690.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 51616506016115 in words is "fifty-one trillion, six hundred sixteen billion, five hundred six million, sixteen thousand, one hundred fifteen".

Divisors: 1 5 31 155 13063 65315 404953 2024765 25492591 127462955 790270321 3951351605 333009716233 1665048581165 10323301203223 51616506016115