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86251045031 = 1071103730811
BaseRepresentation
bin101000001010011110…
…1101000000010100111
322020121222120001201022
41100110331220002213
52403120231420111
6103342335121355
76142244533454
oct1202475500247
9266558501638
1086251045031
11336405147a8
121487137325b
13819721ab28
14426305682b
15239c1952db
hex1414f680a7

86251045031 has 8 divisors (see below), whose sum is σ = 87136176384. Its totient is φ = 85367377720.

The previous prime is 86251045009. The next prime is 86251045039. The reversal of 86251045031 is 13054015268.

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

It is not a de Polignac number, because 86251045031 - 26 = 86251044967 is a prime.

It is a super-2 number, since 2×862510450312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86251044982 and 86251045000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86251045039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247385 + ... + 483426.

It is an arithmetic number, because the mean of its divisors is an integer number (10892022048).

Almost surely, 286251045031 is an apocalyptic number.

86251045031 is a deficient number, since it is larger than the sum of its proper divisors (885131353).

86251045031 is a wasteful number, since it uses less digits than its factorization.

86251045031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732021.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 86251045031 in words is "eighty-six billion, two hundred fifty-one million, forty-five thousand, thirty-one".

Divisors: 1 107 1103 118021 730811 78196777 806084533 86251045031