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13122603112 = 231640325389
BaseRepresentation
bin11000011100010101…
…10000100001101000
31020212112111022022111
430032022300201220
5203333341244422
610010050532104
7643122200053
oct141612604150
936775438274
1013122603112
115624404a43
122662897034
1313118ca718
148c6b61a9a
1551c0bda77
hex30e2b0868

13122603112 has 8 divisors (see below), whose sum is σ = 24604880850. Its totient is φ = 6561301552.

The previous prime is 13122603017. The next prime is 13122603119. The reversal of 13122603112 is 21130622131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10850555556 + 2272047556 = 104166^2 + 47666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13122603119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820162687 + ... + 820162702.

Almost surely, 213122603112 is an apocalyptic number.

It is an amenable number.

13122603112 is a deficient number, since it is larger than the sum of its proper divisors (11482277738).

13122603112 is a wasteful number, since it uses less digits than its factorization.

13122603112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640325395 (or 1640325391 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 13122603112 in words is "thirteen billion, one hundred twenty-two million, six hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 1640325389 3280650778 6561301556 13122603112