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13810807747368 = 2332414678457909
BaseRepresentation
bin1100100011111001010001…
…0010100011001100101000
31210220022002221022201110200
43020332110102203030220
53302234013240403433
645212333020312200
72623540455630102
oct310762422431450
953808087281420
1013810807747368
114445148a21005
1216707636a2660
13792479a88578
1435a6378d4572
1518e3b66de613
hexc8f944a3328

13810807747368 has 48 divisors (see below), whose sum is σ = 38316570282900. Its totient is φ = 4491319591680.

The previous prime is 13810807747343. The next prime is 13810807747381. The reversal of 13810807747368 is 86374770801831.

13810807747368 is a `hidden beast` number, since 1 + 3 + 8 + 10 + 80 + 77 + 473 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13709557780164 + 101249967204 = 3702642^2 + 318198^2 .

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 11 ways as a sum of consecutive naturals, for example, 2339226003 + ... + 2339231906.

Almost surely, 213810807747368 is an apocalyptic number.

13810807747368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13810807747368 is an abundant number, since it is smaller than the sum of its proper divisors (24505762535532).

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

13810807747368 is a wasteful number, since it uses less digits than its factorization.

13810807747368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678457962 (or 4678457955 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 63.

The spelling of 13810807747368 in words is "thirteen trillion, eight hundred ten billion, eight hundred seven million, seven hundred forty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 41 72 82 123 164 246 328 369 492 738 984 1476 2952 4678457909 9356915818 14035373727 18713831636 28070747454 37427663272 42106121181 56141494908 84212242362 112282989816 168424484724 191816774269 336848969448 383633548538 575450322807 767267097076 1150900645614 1534534194152 1726350968421 2301801291228 3452701936842 4603602582456 6905403873684 13810807747368