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13079772672 = 293191273529
BaseRepresentation
bin11000010111001110…
…10111111000000000
31020202112220021222220
430023213113320000
5203241410211142
610001520531040
7642062143011
oct141347277000
936675807886
1013079772672
11560221088a
122650480a80
131305a82775
148c11b3008
1551845d2ec
hex30b9d7e00

13079772672 has 160 divisors (see below), whose sum is σ = 36978585600. Its totient is φ = 4096770048.

The previous prime is 13079772631. The next prime is 13079772677. The reversal of 13079772672 is 27627797031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13079772677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3704604 + ... + 3708132.

It is an arithmetic number, because the mean of its divisors is an integer number (231116160).

Almost surely, 213079772672 is an apocalyptic number.

13079772672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13079772672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18489292800).

13079772672 is an abundant number, since it is smaller than the sum of its proper divisors (23898812928).

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

13079772672 is a wasteful number, since it uses less digits than its factorization.

13079772672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 51.

The spelling of 13079772672 in words is "thirteen billion, seventy-nine million, seven hundred seventy-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 127 128 152 192 228 254 256 304 381 384 456 508 512 608 762 768 912 1016 1216 1524 1536 1824 2032 2413 2432 3048 3529 3648 4064 4826 4864 6096 7058 7239 7296 8128 9652 9728 10587 12192 14116 14478 14592 16256 19304 21174 24384 28232 28956 29184 32512 38608 42348 48768 56464 57912 65024 67051 77216 84696 97536 112928 115824 134102 154432 169392 195072 201153 225856 231648 268204 308864 338784 402306 448183 451712 463296 536408 617728 677568 804612 896366 903424 926592 1072816 1235456 1344549 1355136 1609224 1792732 1806848 1853184 2145632 2689098 2710272 3218448 3585464 3706368 4291264 5378196 5420544 6436896 7170928 8515477 8582528 10756392 12873792 14341856 17030954 17165056 21512784 25546431 25747584 28683712 34061908 34330112 43025568 51092862 51495168 57367424 68123816 86051136 102185724 102990336 114734848 136247632 172102272 204371448 229469696 272495264 344204544 408742896 544990528 688409088 817485792 1089981056 1634971584 2179962112 3269943168 4359924224 6539886336 13079772672