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390713290971 = 31759129848219
BaseRepresentation
bin1011010111110000101…
…00111011000011011011
31101100111110222200010120
411223320110323003123
522400140100302341
6455254033444323
740141145114403
oct5537024730333
91340443880116
10390713290971
11140778515463
12638811106a3
132aac8664a43
1414ca6a77803
15a26b486066
hex5af853b0db

390713290971 has 16 divisors (see below), whose sum is σ = 560944310400. Its totient is φ = 240998292608.

The previous prime is 390713290967. The next prime is 390713290991. The reversal of 390713290971 is 179092317093.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 390713290971 - 22 = 390713290967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (390713290991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64921101 + ... + 64927118.

It is an arithmetic number, because the mean of its divisors is an integer number (35059019400).

Almost surely, 2390713290971 is an apocalyptic number.

390713290971 is a deficient number, since it is larger than the sum of its proper divisors (170231019429).

390713290971 is a wasteful number, since it uses less digits than its factorization.

390713290971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129848298.

The product of its (nonzero) digits is 642978, while the sum is 51.

The spelling of 390713290971 in words is "three hundred ninety billion, seven hundred thirteen million, two hundred ninety thousand, nine hundred seventy-one".

Divisors: 1 3 17 51 59 177 1003 3009 129848219 389544657 2207419723 6622259169 7661044921 22983134763 130237763657 390713290971