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13256351876 = 226535075173
BaseRepresentation
bin11000101100010001…
…11110000010000100
31021012212011110010102
430112020332002010
5204122111230001
610031225343232
7646335063125
oct142610760204
937185143112
1013256351876
115692957409
12269b637b18
1313335295c1
148da81a04c
15528bdce6b
hex31623e084

13256351876 has 12 divisors (see below), whose sum is σ = 23234146572. Its totient is φ = 6618024288.

The previous prime is 13256351869. The next prime is 13256351887. The reversal of 13256351876 is 67815365231.

It can be written as a sum of positive squares in 2 ways, for example, as 2239750276 + 11016601600 = 47326^2 + 104960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13256351876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534975 + ... + 2540198.

It is an arithmetic number, because the mean of its divisors is an integer number (1936178881).

Almost surely, 213256351876 is an apocalyptic number.

It is an amenable number.

13256351876 is a deficient number, since it is larger than the sum of its proper divisors (9977794696).

13256351876 is a wasteful number, since it uses less digits than its factorization.

13256351876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075830 (or 5075828 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 13256351876 in words is "thirteen billion, two hundred fifty-six million, three hundred fifty-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 653 1306 2612 5075173 10150346 20300692 3314087969 6628175938 13256351876