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13683888757 = 711296128029
BaseRepresentation
bin11001011111001111…
…11001001001110101
31022022122122120110201
430233213321021311
5211011033420012
610141501120501
7663046064260
oct145747711165
938278576421
1013683888757
115892220180
12279a859131
1313a0c8c9c6
1493b50bcd7
155514e0857
hex32f9f9275

13683888757 has 16 divisors (see below), whose sum is σ = 17648726400. Its totient is φ = 10295087040.

The previous prime is 13683888737. The next prime is 13683888769. The reversal of 13683888757 is 75788838631.

It is a de Polignac number, because none of the positive numbers 2k-13683888757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683888737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061782 + ... + 3066247.

It is an arithmetic number, because the mean of its divisors is an integer number (1103045400).

Almost surely, 213683888757 is an apocalyptic number.

It is an amenable number.

13683888757 is a deficient number, since it is larger than the sum of its proper divisors (3964837643).

13683888757 is a wasteful number, since it uses less digits than its factorization.

13683888757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128076.

The product of its digits is 54190080, while the sum is 64.

The spelling of 13683888757 in words is "thirteen billion, six hundred eighty-three million, eight hundred eighty-eight thousand, seven hundred fifty-seven".

Divisors: 1 7 11 29 77 203 319 2233 6128029 42896203 67408319 177712841 471858233 1243989887 1954841251 13683888757