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13687820113 = 1117292524031
BaseRepresentation
bin11001011111101101…
…11000111101010001
31022022221001022021111
430233312320331101
5211013040220423
610142121253321
7663124360042
oct145766707521
938287038244
1013687820113
115894465930
1227a0034241
1313a1a38256
1493bc528c9
15551a1a60d
hex32fdb8f51

13687820113 has 16 divisors (see below), whose sum is σ = 16355727360. Its totient is φ = 11307654400.

The previous prime is 13687820093. The next prime is 13687820117. The reversal of 13687820113 is 31102878631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13687820113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13687820117) 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, 1256593 + ... + 1267438.

It is an arithmetic number, because the mean of its divisors is an integer number (1022232960).

Almost surely, 213687820113 is an apocalyptic number.

It is an amenable number.

13687820113 is a deficient number, since it is larger than the sum of its proper divisors (2667907247).

13687820113 is a wasteful number, since it uses less digits than its factorization.

13687820113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524088.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 13687820113 in words is "thirteen billion, six hundred eighty-seven million, eight hundred twenty thousand, one hundred thirteen".

Divisors: 1 11 17 29 187 319 493 5423 2524031 27764341 42908527 73196899 471993797 805165889 1244347283 13687820113