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86611329719 = 137632199487
BaseRepresentation
bin101000010101001110…
…0000000001010110111
322021120002111102101122
41100222130000022313
52404340000022334
6103442205214155
76154211104235
oct1205234001267
9267502442348
1086611329719
1133805923a42
1214951b6135b
138223a65335
144298c3d955
1523bdb1132e
hex142a7002b7

86611329719 has 4 divisors (see below), whose sum is σ = 87243529344. Its totient is φ = 85979130096.

The previous prime is 86611329697. The next prime is 86611329769. The reversal of 86611329719 is 91792311668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86611329719 - 212 = 86611325623 is a prime.

It is a super-2 number, since 2×866113297192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86611329769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316099607 + ... + 316099880.

It is an arithmetic number, because the mean of its divisors is an integer number (21810882336).

Almost surely, 286611329719 is an apocalyptic number.

86611329719 is a deficient number, since it is larger than the sum of its proper divisors (632199625).

86611329719 is a wasteful number, since it uses less digits than its factorization.

86611329719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632199624.

The product of its digits is 979776, while the sum is 53.

The spelling of 86611329719 in words is "eighty-six billion, six hundred eleven million, three hundred twenty-nine thousand, seven hundred nineteen".

Divisors: 1 137 632199487 86611329719