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15315734054 = 219478575439
BaseRepresentation
bin11100100001110001…
…11000111000100110
31110112101020220101102
432100320320320212
5222331311442204
611011433200102
71051352406605
oct162070707046
943471226342
1015315734054
11654a372755
122b75260032
1315a109563a
14a54131a3c
155e98d041e
hex390e38e26

15315734054 has 16 divisors (see below), whose sum is σ = 24697267200. Its totient is φ = 7100462664.

The previous prime is 15315734033. The next prime is 15315734081. The reversal of 15315734054 is 45043751351.

It is a happy number.

It is a super-2 number, since 2×153157340542 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 15315733999 and 15315734017.

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, 4285934 + ... + 4289505.

It is an arithmetic number, because the mean of its divisors is an integer number (1543579200).

Almost surely, 215315734054 is an apocalyptic number.

15315734054 is a deficient number, since it is larger than the sum of its proper divisors (9381533146).

15315734054 is a wasteful number, since it uses less digits than its factorization.

15315734054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575507.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 15315734054 in words is "fifteen billion, three hundred fifteen million, seven hundred thirty-four thousand, fifty-four".

Divisors: 1 2 19 38 47 94 893 1786 8575439 17150878 162933341 325866682 403045633 806091266 7657867027 15315734054