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86769886671 = 32131395335417
BaseRepresentation
bin101000011001111100…
…0110110010111001111
322021222010211221122100
41100303320312113033
52410201042333141
6103510031450143
76161144603346
oct1206370662717
9267863757570
1086769886671
1133887380146
1214997086953
13824a86c010
1442b1d14b5d
1523cc9d10b6
hex1433e365cf

86769886671 has 24 divisors (see below), whose sum is σ = 135946450640. Its totient is φ = 53012693376.

The previous prime is 86769886667. The next prime is 86769886739. The reversal of 86769886671 is 17668896768.

It is not a de Polignac number, because 86769886671 - 22 = 86769886667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86769886671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86769886601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2651446 + ... + 2683971.

Almost surely, 286769886671 is an apocalyptic number.

86769886671 is a deficient number, since it is larger than the sum of its proper divisors (49176563969).

86769886671 is a wasteful number, since it uses less digits than its factorization.

86769886671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335575 (or 5335572 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 86769886671 in words is "eighty-six billion, seven hundred sixty-nine million, eight hundred eighty-six thousand, six hundred seventy-one".

Divisors: 1 3 9 13 39 117 139 417 1251 1807 5421 16263 5335417 16006251 48018753 69360421 208081263 624243789 741622963 2224868889 6674606667 9641098519 28923295557 86769886671