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12320552113 = 71173528903
BaseRepresentation
bin10110111100101110…
…01011010010110001
31011210122021220011221
423132113023102301
5200213030131423
65354320105041
7614212652002
oct133627132261
934718256157
1012320552113
1152526a3181
12247a165181
1312146aa12c
1484c4211a9
154c198de5d
hex2de5cb4b1

12320552113 has 4 divisors (see below), whose sum is σ = 12494081088. Its totient is φ = 12147023140.

The previous prime is 12320552063. The next prime is 12320552131. The reversal of 12320552113 is 31125502321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12320552113 - 217 = 12320421041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320552173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86764381 + ... + 86764522.

It is an arithmetic number, because the mean of its divisors is an integer number (3123520272).

Almost surely, 212320552113 is an apocalyptic number.

It is an amenable number.

12320552113 is a deficient number, since it is larger than the sum of its proper divisors (173528975).

12320552113 is an equidigital number, since it uses as much as digits as its factorization.

12320552113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173528974.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12320552113 in words is "twelve billion, three hundred twenty million, five hundred fifty-two thousand, one hundred thirteen".

Divisors: 1 71 173528903 12320552113