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64131014 = 232065507
BaseRepresentation
bin1111010010100…
…0111111000110
311110200012012202
43310220333012
5112404143024
610210314502
71406050613
oct364507706
9143605182
1064131014
1133222642
1219588a32
131039535c
14873550a
15596bbae
hex3d28fc6

64131014 has 4 divisors (see below), whose sum is σ = 96196524. Its totient is φ = 32065506.

The previous prime is 64130959. The next prime is 64131037. The reversal of 64131014 is 41013146.

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

It is a super-2 number, since 2×641310142 = 8225573913336392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16032752 + ... + 16032755.

It is an arithmetic number, because the mean of its divisors is an integer number (24049131).

Almost surely, 264131014 is an apocalyptic number.

64131014 is a deficient number, since it is larger than the sum of its proper divisors (32065510).

64131014 is a wasteful number, since it uses less digits than its factorization.

64131014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32065509.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 64131014 is about 8008.1841886910. The cubic root of 64131014 is about 400.2727597963.

The spelling of 64131014 in words is "sixty-four million, one hundred thirty-one thousand, fourteen".

Divisors: 1 2 32065507 64131014