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15049638130 = 257092122657
BaseRepresentation
bin11100000010000011…
…10100000011110010
31102211211112211101211
432001001310003302
5221310201410010
610525205550334
71041641546002
oct160101640362
942754484354
1015049638130
11642314596a
122b001153aa
13155ac08827
14a2aa66002
155d136c08a
hex3810740f2

15049638130 has 16 divisors (see below), whose sum is σ = 27127569240. Its totient is φ = 6011361792.

The previous prime is 15049638113. The next prime is 15049638137. The reversal of 15049638130 is 3183694051.

It can be written as a sum of positive squares in 4 ways, for example, as 5833446129 + 9216192001 = 76377^2 + 96001^2 .

It is not an unprimeable number, because it can be changed into a prime (15049638137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054239 + ... + 1068418.

Almost surely, 215049638130 is an apocalyptic number.

15049638130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15049638130 is a deficient number, since it is larger than the sum of its proper divisors (12077931110).

15049638130 is a wasteful number, since it uses less digits than its factorization.

15049638130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123373.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 15049638130 in words is "fifteen billion, forty-nine million, six hundred thirty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 709 1418 3545 7090 2122657 4245314 10613285 21226570 1504963813 3009927626 7524819065 15049638130