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10812807292 = 227386171689
BaseRepresentation
bin10100001000111111…
…00101100001111100
31000220120012112010011
422010133211201330
5134121034313132
64544535553004
7531644226340
oct120437454174
930816175104
1010812807292
114649603181
12211922b764
131034205931
147480a3620
15434414b47
hex2847e587c

10812807292 has 12 divisors (see below), whose sum is σ = 21625614640. Its totient is φ = 4634060256.

The previous prime is 10812807289. The next prime is 10812807293. The reversal of 10812807292 is 29270821801.

10812807292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10812807292 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10812807293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 193085817 + ... + 193085872.

Almost surely, 210812807292 is an apocalyptic number.

It is an amenable number.

10812807292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10812807292 is a wasteful number, since it uses less digits than its factorization.

10812807292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386171700 (or 386171698 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 10812807292 in words is "ten billion, eight hundred twelve million, eight hundred seven thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 386171689 772343378 1544686756 2703201823 5406403646 10812807292