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13157367804172 = 2217995319282489
BaseRepresentation
bin1011111101110111000000…
…1110111111000100001100
31201120211110120210021102001
42333131300032333010030
53211032242124213142
643552224502442044
72525405561021314
oct277356016770414
951524416707361
1013157367804172
1142130101281a9
121585b9ba33324
137459717bb7c7
14336b6a116444
1517c3beed45b7
hexbf7703bf10c

13157367804172 has 24 divisors (see below), whose sum is σ = 23178324279600. Its totient is φ = 6535066573056.

The previous prime is 13157367804169. The next prime is 13157367804179. The reversal of 13157367804172 is 27140876375131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13157367804179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958897 + ... + 10323592.

It is an arithmetic number, because the mean of its divisors is an integer number (965763511650).

Almost surely, 213157367804172 is an apocalyptic number.

It is an amenable number.

13157367804172 is a deficient number, since it is larger than the sum of its proper divisors (10020956475428).

13157367804172 is a wasteful number, since it uses less digits than its factorization.

13157367804172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19283625 (or 19283623 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 13157367804172 in words is "thirteen trillion, one hundred fifty-seven billion, three hundred sixty-seven million, eight hundred four thousand, one hundred seventy-two".

Divisors: 1 2 4 179 358 716 953 1906 3812 170587 341174 682348 19282489 38564978 77129956 3451565531 6903131062 13806262124 18376212017 36752424034 73504848068 3289341951043 6578683902086 13157367804172