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86231962079 = 151375696767
BaseRepresentation
bin101000001001111010…
…0110101000111011111
322020120122122112211022
41100103310311013133
52403100340241304
6103340414114355
76141623404154
oct1202364650737
9266518575738
1086231962079
113363077046a
1214866aab9bb
138193298c43
1442606ca22b
15239a675ebe
hex1413d351df

86231962079 has 4 divisors (see below), whose sum is σ = 86237673984. Its totient is φ = 86226250176.

The previous prime is 86231962073. The next prime is 86231962093. The reversal of 86231962079 is 97026913268.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86231962079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86231962079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86231962073) 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, 2833247 + ... + 2863520.

It is an arithmetic number, because the mean of its divisors is an integer number (21559418496).

Almost surely, 286231962079 is an apocalyptic number.

86231962079 is a deficient number, since it is larger than the sum of its proper divisors (5711905).

86231962079 is a wasteful number, since it uses less digits than its factorization.

86231962079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711904.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 86231962079 in words is "eighty-six billion, two hundred thirty-one million, nine hundred sixty-two thousand, seventy-nine".

Divisors: 1 15137 5696767 86231962079