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13013789013 = 327120365867
BaseRepresentation
bin11000001111010111…
…01010100101010101
31020120221201222102200
430013223222211111
5203123012222023
65551202355113
7640331244561
oct140753524525
936527658380
1013013789013
115578a43335
12263235ba99
1312c51bc094
148b65186a1
15512777743
hex307aea955

13013789013 has 12 divisors (see below), whose sum is σ = 19062452448. Its totient is φ = 8553663720.

The previous prime is 13013788987. The next prime is 13013789093. The reversal of 13013789013 is 31098731031.

It is not a de Polignac number, because 13013789013 - 213 = 13013780821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013789093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10182295 + ... + 10183572.

It is an arithmetic number, because the mean of its divisors is an integer number (1588537704).

Almost surely, 213013789013 is an apocalyptic number.

It is an amenable number.

13013789013 is a deficient number, since it is larger than the sum of its proper divisors (6048663435).

13013789013 is a wasteful number, since it uses less digits than its factorization.

13013789013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365944 (or 20365941 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 13013789013 in words is "thirteen billion, thirteen million, seven hundred eighty-nine thousand, thirteen".

Divisors: 1 3 9 71 213 639 20365867 61097601 183292803 1445976557 4337929671 13013789013