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15143271364 = 2213247332
BaseRepresentation
bin11100001101001101…
…11111101111000100
31110002100201220001101
432012212333233010
5222003134140424
610542352505444
71044156453124
oct160646775704
943070656041
1015143271364
116470a88a01
122b2754b284
131574430400
14a3927ac84
155d96b5344
hex3869bfbc4

15143271364 has 27 divisors (see below), whose sum is σ = 28702115463. Its totient is φ = 6987725472.

The previous prime is 15143271349. The next prime is 15143271389. The reversal of 15143271364 is 46317234151.

It is a happy number.

The square root of 15143271364 is 123058.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6898631364 + 8244640000 = 83058^2 + 90800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3197142 + ... + 3201874.

Almost surely, 215143271364 is an apocalyptic number.

15143271364 is the 123058-th square number.

It is an amenable number.

15143271364 is a deficient number, since it is larger than the sum of its proper divisors (13558844099).

15143271364 is an frugal number, since it uses more digits than its factorization.

15143271364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496 (or 4748 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The spelling of 15143271364 in words is "fifteen billion, one hundred forty-three million, two hundred seventy-one thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 169 338 676 4733 9466 18932 61529 123058 246116 799877 1599754 3199508 22401289 44802578 89605156 291216757 582433514 1164867028 3785817841 7571635682 15143271364