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13154851389 = 312755276247
BaseRepresentation
bin11000100000001011…
…10001101000111101
31020221210011200122010
430100011301220331
5203420120221024
610013202041433
7643663251261
oct142005615075
936853150563
1013154851389
115640630609
122671649279
1313184abb44
148cb1580a1
1551ed3db29
hex310171a3d

13154851389 has 16 divisors (see below), whose sum is σ = 17683939328. Its totient is φ = 8697879792.

The previous prime is 13154851363. The next prime is 13154851433. The reversal of 13154851389 is 98315845131.

It is not a de Polignac number, because 13154851389 - 28 = 13154851133 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 (13154851289) 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, 2102664 + ... + 2108910.

It is an arithmetic number, because the mean of its divisors is an integer number (1105246208).

Almost surely, 213154851389 is an apocalyptic number.

It is an amenable number.

13154851389 is a deficient number, since it is larger than the sum of its proper divisors (4529087939).

13154851389 is a wasteful number, since it uses less digits than its factorization.

13154851389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11904.

The product of its digits is 518400, while the sum is 48.

The spelling of 13154851389 in words is "thirteen billion, one hundred fifty-four million, eight hundred fifty-one thousand, three hundred eighty-nine".

Divisors: 1 3 127 381 5527 6247 16581 18741 701929 793369 2105787 2380107 34527169 103581507 4384950463 13154851389