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13920003149 = 1323910934099
BaseRepresentation
bin11001111011011001…
…00110010001001101
31022221002221102112012
430331230212101031
5212002010100044
610221133551005
71001644034363
oct147554462115
938832842465
1013920003149
1159a352a438
122845945465
13140ab80070
14960a11633
155670d059e
hex33db2644d

13920003149 has 16 divisors (see below), whose sum is σ = 15070944000. Its totient is φ = 12780645696.

The previous prime is 13920003143. The next prime is 13920003173. The reversal of 13920003149 is 94130002931.

It is not a de Polignac number, because 13920003149 - 220 = 13918954573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920003143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393902 + ... + 3398000.

It is an arithmetic number, because the mean of its divisors is an integer number (941934000).

Almost surely, 213920003149 is an apocalyptic number.

It is an amenable number.

13920003149 is a deficient number, since it is larger than the sum of its proper divisors (1150940851).

13920003149 is a wasteful number, since it uses less digits than its factorization.

13920003149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 13920003149 in words is "thirteen billion, nine hundred twenty million, three thousand, one hundred forty-nine".

Divisors: 1 13 239 1093 3107 4099 14209 53287 261227 979661 3395951 4480207 12735593 58242691 1070769473 13920003149