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86071024631 = 320926821759
BaseRepresentation
bin101000000101000111…
…0111001101111110111
322020011102211002011002
41100022032321233313
52402233140242011
6103312424433515
76134630431604
oct1201216715767
9266142732132
1086071024631
1133558938809
121482101889b
138168b3a897
1442471956ab
15238b485c3b
hex140a3b9bf7

86071024631 has 4 divisors (see below), whose sum is σ = 86097849600. Its totient is φ = 86044199664.

The previous prime is 86071024601. The next prime is 86071024657. The reversal of 86071024631 is 13642017068.

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 86071024631 - 218 = 86070762487 is a prime.

It is a super-2 number, since 2×860710246312 (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 (86071024601) 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, 13407671 + ... + 13414088.

It is an arithmetic number, because the mean of its divisors is an integer number (21524462400).

Almost surely, 286071024631 is an apocalyptic number.

86071024631 is a deficient number, since it is larger than the sum of its proper divisors (26824969).

86071024631 is a wasteful number, since it uses less digits than its factorization.

86071024631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26824968.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 86071024631 in words is "eighty-six billion, seventy-one million, twenty-four thousand, six hundred thirty-one".

Divisors: 1 3209 26821759 86071024631