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51716668341 = 3132373318329
BaseRepresentation
bin110000001010100011…
…011011101110110101
311221111020000221212210
4300022203123232311
51321403431341331
635431443404033
73510405266502
oct601243335665
9157436027783
1051716668341
111aa29790418
12a033983619
134b52604100
1427087144a9
15152a43c446
hexc0a8dbbb5

51716668341 has 48 divisors (see below), whose sum is σ = 76926816960. Its totient is φ = 30868231680.

The previous prime is 51716668319. The next prime is 51716668349. The reversal of 51716668341 is 14386661715.

It is not a de Polignac number, because 51716668341 - 26 = 51716668277 is a prime.

It is a super-2 number, since 2×517166683412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716668349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6205065 + ... + 6213393.

It is an arithmetic number, because the mean of its divisors is an integer number (1602642020).

Almost surely, 251716668341 is an apocalyptic number.

It is an amenable number.

51716668341 is a deficient number, since it is larger than the sum of its proper divisors (25210148619).

51716668341 is a wasteful number, since it uses less digits than its factorization.

51716668341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726 (or 8713 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 51716668341 in words is "fifty-one billion, seven hundred sixteen million, six hundred sixty-eight thousand, three hundred forty-one".

Divisors: 1 3 13 37 39 111 169 331 481 507 993 1443 4303 6253 8329 12247 12909 18759 24987 36741 55939 108277 159211 167817 308173 324831 477633 924519 1407601 2069743 2756899 4006249 4222803 6209229 8270697 12018747 35839687 52081237 102005263 107519061 156243711 306015789 465915931 1326068419 1397747793 3978205257 17238889447 51716668341