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14997431295 = 32571112373499
BaseRepresentation
bin11011111011110101…
…01010001111111111
31102201012022110002100
431331322222033333
5221203320300140
610520103000143
71040436030330
oct157572521777
942635273070
1014997431295
1163a6728120
122aa6739053
131550159b02
14a23b56287
155cb9a8530
hex37deaa3ff

14997431295 has 96 divisors (see below), whose sum is σ = 32445504000. Its totient is φ = 6225880320.

The previous prime is 14997431279. The next prime is 14997431299. The reversal of 14997431295 is 59213479941.

It is a Cunningham number, because it is equal to 1224642-1.

It is not a de Polignac number, because 14997431295 - 24 = 14997431279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14997431299) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4284456 + ... + 4287954.

It is an arithmetic number, because the mean of its divisors is an integer number (337974000).

Almost surely, 214997431295 is an apocalyptic number.

14997431295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14997431295 is an abundant number, since it is smaller than the sum of its proper divisors (17448072705).

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

14997431295 is a wasteful number, since it uses less digits than its factorization.

14997431295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765 (or 4762 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 14997431295 in words is "fourteen billion, nine hundred ninety-seven million, four hundred thirty-one thousand, two hundred ninety-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 693 1155 1237 3465 3499 3711 6185 8659 10497 11133 13607 17495 18555 24493 25977 31491 38489 40821 43295 52485 55665 68035 73479 77931 95249 115467 122463 122465 129885 157455 192445 204105 220437 269423 285747 346401 367395 389655 476245 577335 612315 808269 857241 1102185 1347115 1428735 1732005 2424807 4041345 4286205 4328263 12124035 12984789 21641315 30297841 38954367 47610893 64923945 90893523 142832679 151489205 194771835 238054465 272680569 333276251 428498037 454467615 714163395 999828753 1363402845 1666381255 2142490185 2999486259 4999143765 14997431295