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15049638131 = 112947177549
BaseRepresentation
bin11100000010000011…
…10100000011110011
31102211211112211101212
432001001310003303
5221310201410011
610525205550335
71041641546003
oct160101640363
942754484355
1015049638131
116423145970
122b001153ab
13155ac08828
14a2aa66003
155d136c08b
hex3810740f3

15049638131 has 8 divisors (see below), whose sum is σ = 16983918000. Its totient is φ = 13209713440.

The previous prime is 15049638113. The next prime is 15049638137. The reversal of 15049638131 is 13183694051.

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

It is not a de Polignac number, because 15049638131 - 214 = 15049621747 is a prime.

It is a super-2 number, since 2×150496381312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15049638137) 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, 23588456 + ... + 23589093.

It is an arithmetic number, because the mean of its divisors is an integer number (2122989750).

Almost surely, 215049638131 is an apocalyptic number.

15049638131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15049638131 is a deficient number, since it is larger than the sum of its proper divisors (1934279869).

15049638131 is a wasteful number, since it uses less digits than its factorization.

15049638131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47177589.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 15049638131 in words is "fifteen billion, forty-nine million, six hundred thirty-eight thousand, one hundred thirty-one".

Divisors: 1 11 29 319 47177549 518953039 1368148921 15049638131