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12946351913 = 118081145643
BaseRepresentation
bin11000000111010100…
…11010011100101001
31020102020211211010022
430003222122130221
5203003231230123
65540353130225
7635552114135
oct140352323451
936366754108
1012946351913
1155439728a0
122613859975
1312b4239c81
148ab5a23c5
1550b8a61c8
hex303a9a729

12946351913 has 8 divisors (see below), whose sum is σ = 14125137696. Its totient is φ = 11767873600.

The previous prime is 12946351823. The next prime is 12946351969. The reversal of 12946351913 is 31915364921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12946351913 - 216 = 12946286377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12946351813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16070 + ... + 161712.

It is an arithmetic number, because the mean of its divisors is an integer number (1765642212).

Almost surely, 212946351913 is an apocalyptic number.

It is an amenable number.

12946351913 is a deficient number, since it is larger than the sum of its proper divisors (1178785783).

12946351913 is a wasteful number, since it uses less digits than its factorization.

12946351913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153735.

The product of its digits is 174960, while the sum is 44.

The spelling of 12946351913 in words is "twelve billion, nine hundred forty-six million, three hundred fifty-one thousand, nine hundred thirteen".

Divisors: 1 11 8081 88891 145643 1602073 1176941083 12946351913