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13929718747854 = 23721317214389121
BaseRepresentation
bin1100101010110100001111…
…1100000001001011001110
31211022200001001100102110210
43022231003330001023032
53311211030444412404
645343120251543250
72635250262513600
oct312550374011316
954280031312423
1013929718747854
1144906190a4728
12168b80a75ab26
137a074a474010
143622b8363170
15192525c83689
hexcab43f012ce

13929718747854 has 96 divisors (see below), whose sum is σ = 36953824180896. Its totient is φ = 3457667727360.

The previous prime is 13929718747853. The next prime is 13929718747883. The reversal of 13929718747854 is 45874781792931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13929718747853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107129587 + ... + 107259534.

It is an arithmetic number, because the mean of its divisors is an integer number (384935668551).

Almost surely, 213929718747854 is an apocalyptic number.

13929718747854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13929718747854 is an abundant number, since it is smaller than the sum of its proper divisors (23024105433042).

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

13929718747854 is a wasteful number, since it uses less digits than its factorization.

13929718747854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214389170 (or 214389163 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 75.

The spelling of 13929718747854 in words is "thirteen trillion, nine hundred twenty-nine billion, seven hundred eighteen million, seven hundred forty-seven thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 7 13 14 17 21 26 34 39 42 49 51 78 91 98 102 119 147 182 221 238 273 294 357 442 546 637 663 714 833 1274 1326 1547 1666 1911 2499 3094 3822 4641 4998 9282 10829 21658 32487 64974 214389121 428778242 643167363 1286334726 1500723847 2787058573 3001447694 3644615057 4502171541 5574117146 7289230114 8361175719 9004343082 10505066929 10933845171 16722351438 19509410011 21010133858 21867690342 25512305399 31515200787 39018820022 47379995741 51024610798 58528230033 63030401574 76536916197 94759991482 117056460066 136565870077 142139987223 153073832394 178586137793 273131740154 284279974446 331659970187 357172275586 409697610231 535758413379 663319940374 819395220462 994979910561 1071516826758 1989959821122 2321619791309 4643239582618 6964859373927 13929718747854