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13939708880 = 2451543112927
BaseRepresentation
bin11001111101101111…
…10001001111010000
31022222111000120201002
430332313301033100
5212022031141010
610223120201132
71002303366446
oct147667611720
938874016632
1013939708880
115a03669669
1228504691a8
131411c8c566
149634a0b96
15568bc41a5
hex33edf13d0

13939708880 has 40 divisors (see below), whose sum is σ = 32431114752. Its totient is φ = 5572220544.

The previous prime is 13939708847. The next prime is 13939708901. The reversal of 13939708880 is 8880793931.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66977 + ... + 179903.

Almost surely, 213939708880 is an apocalyptic number.

13939708880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13939708880 is an abundant number, since it is smaller than the sum of its proper divisors (18491405872).

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

13939708880 is a wasteful number, since it uses less digits than its factorization.

13939708880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114483 (or 114477 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 13939708880 in words is "thirteen billion, nine hundred thirty-nine million, seven hundred eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1543 3086 6172 7715 12344 15430 24688 30860 61720 112927 123440 225854 451708 564635 903416 1129270 1806832 2258540 4517080 9034160 174246361 348492722 696985444 871231805 1393970888 1742463610 2787941776 3484927220 6969854440 13939708880