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12700644142 = 213148475741
BaseRepresentation
bin10111101010000010…
…00111001100101110
31012210010111120102111
423311001013030232
5202002331103032
65500134514234
7626506460014
oct136501071456
935703446374
1012700644142
115428200a1a
12256550597a
13127536b164
14886ac28b4
154e501dc47
hex2f504732e

12700644142 has 8 divisors (see below), whose sum is σ = 19196393832. Its totient is φ = 6301846200.

The previous prime is 12700644133. The next prime is 12700644157. The reversal of 12700644142 is 24144600721.

12700644142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×127006441422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24237609 + ... + 24238132.

It is an arithmetic number, because the mean of its divisors is an integer number (2399549229).

Almost surely, 212700644142 is an apocalyptic number.

12700644142 is a deficient number, since it is larger than the sum of its proper divisors (6495749690).

12700644142 is a wasteful number, since it uses less digits than its factorization.

12700644142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48475874.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 12700644142 in words is "twelve billion, seven hundred million, six hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 131 262 48475741 96951482 6350322071 12700644142