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15040313952 = 253156669937
BaseRepresentation
bin11100000000111100…
…01111101001100000
31102211012000010000220
432000132033221200
5221300310021302
610524234043040
71041466362546
oct160036175140
942735003026
1015040313952
116418957534
122ab8b79480
131558cc2771
14a29719d96
155d06294bc
hex38078fa60

15040313952 has 24 divisors (see below), whose sum is σ = 39480824376. Its totient is φ = 5013437952.

The previous prime is 15040313941. The next prime is 15040313971. The reversal of 15040313952 is 25931304051.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×150403139522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78334873 + ... + 78335064.

It is an arithmetic number, because the mean of its divisors is an integer number (1645034349).

Almost surely, 215040313952 is an apocalyptic number.

15040313952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15040313952 is an abundant number, since it is smaller than the sum of its proper divisors (24440510424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15040313952 is a wasteful number, since it uses less digits than its factorization.

15040313952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156669950 (or 156669942 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 15040313952 in words is "fifteen billion, forty million, three hundred thirteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 156669937 313339874 470009811 626679748 940019622 1253359496 1880039244 2506718992 3760078488 5013437984 7520156976 15040313952