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15133603872 = 2531391134113
BaseRepresentation
bin11100001100000100…
…00111100000100000
31110001200112201202010
432012002013200200
5221443200310442
610541405352520
71044011340042
oct160602074040
943050481663
1015133603872
116466585642
122b24268740
131572426cba
14a37c81a92
155d8905b9c
hex386087820

15133603872 has 48 divisors (see below), whose sum is σ = 40011541920. Its totient is φ = 5008238592.

The previous prime is 15133603853. The next prime is 15133603889. The reversal of 15133603872 is 27830633151.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×151336038722 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15133603872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553713 + ... + 580400.

It is an arithmetic number, because the mean of its divisors is an integer number (833573790).

Almost surely, 215133603872 is an apocalyptic number.

15133603872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15133603872 is an abundant number, since it is smaller than the sum of its proper divisors (24877938048).

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

15133603872 is a wasteful number, since it uses less digits than its factorization.

15133603872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134265 (or 1134257 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 15133603872 in words is "fifteen billion, one hundred thirty-three million, six hundred three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 139 278 417 556 834 1112 1668 2224 3336 4448 6672 13344 1134113 2268226 3402339 4536452 6804678 9072904 13609356 18145808 27218712 36291616 54437424 108874848 157641707 315283414 472925121 630566828 945850242 1261133656 1891700484 2522267312 3783400968 5044534624 7566801936 15133603872