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13379208755 = 5112003121447
BaseRepresentation
bin11000111010111011…
…01000011000110011
31021112102100020002012
430131131220120303
5204400034140010
610051334513135
7652356253343
oct143535503063
937472306065
1013379208755
11574623a620
1227148057ab
131352b13993
1490cc7ad23
155348aa005
hex31d768633

13379208755 has 16 divisors (see below), whose sum is σ = 17523489024. Its totient is φ = 9725395680.

The previous prime is 13379208737. The next prime is 13379208763. The reversal of 13379208755 is 55780297331.

It is not a de Polignac number, because 13379208755 - 210 = 13379207731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49442 + ... + 170888.

It is an arithmetic number, because the mean of its divisors is an integer number (1095218064).

Almost surely, 213379208755 is an apocalyptic number.

13379208755 is a deficient number, since it is larger than the sum of its proper divisors (4144280269).

13379208755 is a wasteful number, since it uses less digits than its factorization.

13379208755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123466.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 13379208755 in words is "thirteen billion, three hundred seventy-nine million, two hundred eight thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 2003 10015 22033 110165 121447 607235 1335917 6679585 243258341 1216291705 2675841751 13379208755