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13039381337 = 108711995751
BaseRepresentation
bin11000010010011010…
…10010101101011001
31020122201220012111112
430021031102231121
5203201040200322
65553515110105
7641061625013
oct141115225531
936581805445
1013039381337
115591433214
12263aa42335
1312ca5aca78
148b9a9b1b3
15514b305e2
hex309352b59

13039381337 has 4 divisors (see below), whose sum is σ = 13051378176. Its totient is φ = 13027384500.

The previous prime is 13039381321. The next prime is 13039381343. The reversal of 13039381337 is 73318393031.

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 13039381337 - 24 = 13039381321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13039381294 and 13039381303.

It is not an unprimeable number, because it can be changed into a prime (13039383337) 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, 5996789 + ... + 5998962.

It is an arithmetic number, because the mean of its divisors is an integer number (3262844544).

Almost surely, 213039381337 is an apocalyptic number.

It is an amenable number.

13039381337 is a deficient number, since it is larger than the sum of its proper divisors (11996839).

13039381337 is a wasteful number, since it uses less digits than its factorization.

13039381337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996838.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 13039381337 in words is "thirteen billion, thirty-nine million, three hundred eighty-one thousand, three hundred thirty-seven".

Divisors: 1 1087 11995751 13039381337