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11787708968 = 2371433146891
BaseRepresentation
bin10101111101001101…
…00010101000101000
31010102111122122210122
422332212202220220
5143120123141333
65225403302412
7565052605310
oct127646425050
933374578718
1011787708968
114aa9944242
12234b81aa08
13115b195c29
147db75a440
1548ecd9798
hex2be9a2a28

11787708968 has 32 divisors (see below), whose sum is σ = 25277175360. Its totient is φ = 5048315520.

The previous prime is 11787708949. The next prime is 11787709007. The reversal of 11787708968 is 86980778711.

It is a self number, because there is not a number n which added to its sum of digits gives 11787708968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6803 + ... + 153693.

It is an arithmetic number, because the mean of its divisors is an integer number (789911730).

Almost surely, 211787708968 is an apocalyptic number.

It is an amenable number.

11787708968 is an abundant number, since it is smaller than the sum of its proper divisors (13489466392).

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

11787708968 is a wasteful number, since it uses less digits than its factorization.

11787708968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148337 (or 148333 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 62.

The spelling of 11787708968 in words is "eleven billion, seven hundred eighty-seven million, seven hundred eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 1433 2866 5732 10031 11464 20062 40124 80248 146891 293782 587564 1028237 1175128 2056474 4112948 8225896 210494803 420989606 841979212 1473463621 1683958424 2946927242 5893854484 11787708968