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13195572893 is a prime number
BaseRepresentation
bin11000100101000010…
…00111011010011101
31021001121210120000222
430102201013122131
5204011031313033
610021214531125
7644666342666
oct142241073235
937047716028
1013195572893
115661614248
122683206aa5
131323a68bc9
148d271836d
155236d4598
hex31284769d

13195572893 has 2 divisors, whose sum is σ = 13195572894. Its totient is φ = 13195572892.

The previous prime is 13195572851. The next prime is 13195572911. The reversal of 13195572893 is 39827559131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12946343524 + 249229369 = 113782^2 + 15787^2 .

It is an emirp because it is prime and its reverse (39827559131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13195572893 - 210 = 13195571869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13195572493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597786446 + 6597786447.

It is an arithmetic number, because the mean of its divisors is an integer number (6597786447).

Almost surely, 213195572893 is an apocalyptic number.

It is an amenable number.

13195572893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13195572893 is an equidigital number, since it uses as much as digits as its factorization.

13195572893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 53.

The spelling of 13195572893 in words is "thirteen billion, one hundred ninety-five million, five hundred seventy-two thousand, eight hundred ninety-three".