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13975172107 = 131075013239
BaseRepresentation
bin11010000001111110…
…00011010000001011
31100001221202022002221
431000333003100023
5212110121001412
610230424234511
71003214001001
oct150077032013
940057668087
1013975172107
115a21690716
12286030ba37
131419428110
14968092a71
1556bd7bb07
hex340fc340b

13975172107 has 4 divisors (see below), whose sum is σ = 15050185360. Its totient is φ = 12900158856.

The previous prime is 13975172063. The next prime is 13975172111. The reversal of 13975172107 is 70127157931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70127157931 = 193690903049.

It is not a de Polignac number, because 13975172107 - 231 = 11827688459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13975172207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537506607 + ... + 537506632.

It is an arithmetic number, because the mean of its divisors is an integer number (3762546340).

Almost surely, 213975172107 is an apocalyptic number.

13975172107 is a deficient number, since it is larger than the sum of its proper divisors (1075013253).

13975172107 is a wasteful number, since it uses less digits than its factorization.

13975172107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075013252.

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 13975172107 in words is "thirteen billion, nine hundred seventy-five million, one hundred seventy-two thousand, one hundred seven".

Divisors: 1 13 1075013239 13975172107