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13913631172248 = 23331127714644571
BaseRepresentation
bin1100101001111000010100…
…0010110010011010011000
31211021010111212201220112020
43022132011002302122120
53310430104040002443
645331500043214440
72634140515416033
oct312360502623230
954233455656466
1013913631172248
114484813083aa5
12168867ab17420
1379c085507502
143615cd91601a
15191dd373e583
hexca7850b2698

13913631172248 has 64 divisors (see below), whose sum is σ = 35934264990720. Its totient is φ = 4484753116800.

The previous prime is 13913631172201. The next prime is 13913631172303. The reversal of 13913631172248 is 84227113631931.

It is a self number, because there is not a number n which added to its sum of digits gives 13913631172248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6372198 + ... + 8272373.

It is an arithmetic number, because the mean of its divisors is an integer number (561472890480).

Almost surely, 213913631172248 is an apocalyptic number.

It is an amenable number.

13913631172248 is an abundant number, since it is smaller than the sum of its proper divisors (22020633818472).

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

13913631172248 is a wasteful number, since it uses less digits than its factorization.

13913631172248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645888 (or 14645884 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 13913631172248 in words is "thirteen trillion, nine hundred thirteen billion, six hundred thirty-one million, one hundred seventy-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 1277 2554 3831 5108 7662 10216 15324 30648 39587 79174 118761 158348 237522 316696 475044 950088 14644571 29289142 43933713 58578284 87867426 117156568 175734852 351469704 453981701 907963402 1361945103 1815926804 2723890206 3631853608 5447780412 10895560824 18701117167 37402234334 56103351501 74804468668 112206703002 149608937336 224413406004 448826812008 579734632177 1159469264354 1739203896531 2318938528708 3478407793062 4637877057416 6956815586124 13913631172248