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15044742331 = 1767109121181
BaseRepresentation
bin11100000001011110…
…01000110010111011
31102211111100002121221
432000233020302323
5221302423223311
610524513012511
71041552125353
oct160057106273
942744302557
1015044742331
116420401653
122aba554137
131559bb32c8
14a2a14db63
155d0c01671
hex380bc8cbb

15044742331 has 16 divisors (see below), whose sum is σ = 16315944480. Its totient is φ = 13820336640.

The previous prime is 15044742329. The next prime is 15044742337. The reversal of 15044742331 is 13324744051.

15044742331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15044742331 - 21 = 15044742329 is a prime.

It is a super-2 number, since 2×150447423312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15044742337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63561 + ... + 184741.

It is an arithmetic number, because the mean of its divisors is an integer number (1019746530).

Almost surely, 215044742331 is an apocalyptic number.

15044742331 is a deficient number, since it is larger than the sum of its proper divisors (1271202149).

15044742331 is a wasteful number, since it uses less digits than its factorization.

15044742331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121374.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 15044742331 in words is "fifteen billion, forty-four million, seven hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 17 67 109 1139 1853 7303 121181 124151 2060077 8119127 13208729 138025159 224548393 884984843 15044742331