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13256074285 = 54167965131
BaseRepresentation
bin11000101100001111…
…11010010000101101
31021012211122100100021
430112013322100231
5204122023334120
610031215402141
7646332525616
oct142607722055
937184570307
1013256074285
1156927878a3
12269b523351
13133346014c
148da786c0d
15528b85aaa
hex3161fa42d

13256074285 has 16 divisors (see below), whose sum is σ = 16538501952. Its totient is φ = 10191772800.

The previous prime is 13256074253. The next prime is 13256074303. The reversal of 13256074285 is 58247065231.

13256074285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13256074285 - 25 = 13256074253 is a prime.

It is a super-2 number, since 2×132560742852 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468831 + ... + 496300.

It is an arithmetic number, because the mean of its divisors is an integer number (1033656372).

Almost surely, 213256074285 is an apocalyptic number.

It is an amenable number.

13256074285 is a deficient number, since it is larger than the sum of its proper divisors (3282427667).

13256074285 is an equidigital number, since it uses as much as digits as its factorization.

13256074285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965244.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 13256074285 in words is "thirteen billion, two hundred fifty-six million, seventy-four thousand, two hundred eighty-five".

Divisors: 1 5 41 67 205 335 2747 13735 965131 4825655 39570371 64663777 197851855 323318885 2651214857 13256074285