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76661127076165 = 518781198163607
BaseRepresentation
bin10001011011100100001111…
…001111110101100101000101
3101001102201202202101120202221
4101123210033033311211011
540022003442012414130
6431013345142132341
722101404123413252
oct2133441717654505
9331381682346687
1076661127076165
112247688a757135
1287215344210b1
1333a1161ac2048
1414d05bdd38429
158ce1e9e8287a
hex45b90f3f5945

76661127076165 has 8 divisors (see below), whose sum is σ = 91993412741760. Its totient is φ = 61328861494032.

The previous prime is 76661127076033. The next prime is 76661127076181. The reversal of 76661127076165 is 56167072116667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76661127076165 - 217 = 76661126945093 is a prime.

It is a super-2 number, since 2×766611270761652 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 5308792 + ... + 13472398.

It is an arithmetic number, because the mean of its divisors is an integer number (11499176592720).

Almost surely, 276661127076165 is an apocalyptic number.

It is an amenable number.

76661127076165 is a deficient number, since it is larger than the sum of its proper divisors (15332285665595).

76661127076165 is a wasteful number, since it uses less digits than its factorization.

76661127076165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041731.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 76661127076165 in words is "seventy-six trillion, six hundred sixty-one billion, one hundred twenty-seven million, seventy-six thousand, one hundred sixty-five".

Divisors: 1 5 1878119 8163607 9390595 40818035 15332225415233 76661127076165