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13668026817080 = 2352113340948473
BaseRepresentation
bin1100011011100101010111…
…1000100001101000111000
31210101122120021210221112102
43012321111320201220320
53242414104331121310
645023001013402532
72610324306015236
oct306712570415070
953348507727472
1013668026817080
11439a6398a4879
121648b56639448
13781b740151bc
14353770c07956
1518a80b79d8a5
hexc6e55e21a38

13668026817080 has 64 divisors (see below), whose sum is σ = 30900371767200. Its totient is φ = 5441024655360.

The previous prime is 13668026817073. The next prime is 13668026817097. The reversal of 13668026817080 is 8071862086631.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281947724 + ... + 281996196.

Almost surely, 213668026817080 is an apocalyptic number.

13668026817080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13668026817080 is an abundant number, since it is smaller than the sum of its proper divisors (17232344950120).

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

13668026817080 is a wasteful number, since it uses less digits than its factorization.

13668026817080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82104 (or 82100 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 13668026817080 in words is "thirteen trillion, six hundred sixty-eight billion, twenty-six million, eight hundred seventeen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 211 422 844 1055 1688 2110 4220 8440 33409 48473 66818 96946 133636 167045 193892 242365 267272 334090 387784 484730 668180 969460 1336360 1938920 7049299 10227803 14098598 20455606 28197196 35246495 40911212 51139015 56394392 70492990 81822424 102278030 140985980 204556060 281971960 409112120 1619434457 3238868914 6477737828 8097172285 12955475656 16194344570 32388689140 64777378280 341700670427 683401340854 1366802681708 1708503352135 2733605363416 3417006704270 6834013408540 13668026817080