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12621160013 = 711673243553
BaseRepresentation
bin10111100000100011…
…11001111001001101
31012120120221100200212
423300101321321031
5201322004110023
65444215132205
7624523042610
oct136021717115
935516840625
1012621160013
115397352360
122542974065
131261a5b827
1487a312177
154dd06ce78
hex2f0479e4d

12621160013 has 16 divisors (see below), whose sum is σ = 15758918016. Its totient is φ = 9820016640.

The previous prime is 12621160003. The next prime is 12621160049. The reversal of 12621160013 is 31006112621.

It is not a de Polignac number, because 12621160013 - 26 = 12621159949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621160003) 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, 69956 + ... + 173597.

It is an arithmetic number, because the mean of its divisors is an integer number (984932376).

Almost surely, 212621160013 is an apocalyptic number.

It is an amenable number.

12621160013 is a deficient number, since it is larger than the sum of its proper divisors (3137758003).

12621160013 is a wasteful number, since it uses less digits than its factorization.

12621160013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244244.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12621160013 its reverse (31006112621), we get a palindrome (43627272634).

The spelling of 12621160013 in words is "twelve billion, six hundred twenty-one million, one hundred sixty thousand, thirteen".

Divisors: 1 7 11 77 673 4711 7403 51821 243553 1704871 2679083 18753581 163911169 1147378183 1803022859 12621160013