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664101010131 = 31317028231029
BaseRepresentation
bin10011010100111111000…
…00010011101011010011
32100111011100012202112120
421222133200103223103
541340034324311011
61225030033225323
765660020306326
oct11523740235323
92314140182476
10664101010131
11236709786229
12a885a102243
134a816c145c0
14241dd6627bd
151241c649a06
hex9a9f813ad3

664101010131 has 8 divisors (see below), whose sum is σ = 953580937680. Its totient is φ = 408677544672.

The previous prime is 664101010127. The next prime is 664101010141. The reversal of 664101010131 is 131010101466.

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

It is not a de Polignac number, because 664101010131 - 22 = 664101010127 is a prime.

It is a super-2 number, since 2×6641010101312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (664101010141) 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, 8514115476 + ... + 8514115553.

It is an arithmetic number, because the mean of its divisors is an integer number (119197617210).

Almost surely, 2664101010131 is an apocalyptic number.

664101010131 is a deficient number, since it is larger than the sum of its proper divisors (289479927549).

664101010131 is a wasteful number, since it uses less digits than its factorization.

664101010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17028231045.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 664101010131 its reverse (131010101466), we get a palindrome (795111111597).

The spelling of 664101010131 in words is "six hundred sixty-four billion, one hundred one million, ten thousand, one hundred thirty-one".

Divisors: 1 3 13 39 17028231029 51084693087 221367003377 664101010131