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15145339796 = 2237214147797
BaseRepresentation
bin11100001101011101…
…11000101110010100
31110002111121222101222
432012232320232110
5222004201333141
610542505105512
71044213156416
oct160656705624
943074558358
1015145339796
116472170a54
122b28188298
1315749a5a32
14a396589b6
155d997314b
hex386bb8b94

15145339796 has 24 divisors (see below), whose sum is σ = 27233962056. Its totient is φ = 7364407680.

The previous prime is 15145339777. The next prime is 15145339801. The reversal of 15145339796 is 69793354151.

It can be written as a sum of positive squares in 4 ways, for example, as 9191056900 + 5954282896 = 95870^2 + 77164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292970 + ... + 340766.

It is an arithmetic number, because the mean of its divisors is an integer number (1134748419).

Almost surely, 215145339796 is an apocalyptic number.

It is an amenable number.

15145339796 is a deficient number, since it is larger than the sum of its proper divisors (12088622260).

15145339796 is a wasteful number, since it uses less digits than its factorization.

15145339796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49979 (or 49977 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 53.

The spelling of 15145339796 in words is "fifteen billion, one hundred forty-five million, three hundred thirty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 37 74 148 2141 4282 8564 47797 79217 95594 158434 191188 316868 1768489 3536978 7073956 102333377 204666754 409333508 3786334949 7572669898 15145339796