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11788710012 = 2232327464167
BaseRepresentation
bin10101111101010100…
…10111000001111100
31010102120112111222100
422332222113001330
5143120402210022
65225440545100
7565064244642
oct127652270174
933376474870
1011788710012
114aaa468352
122350022190
13115b456771
147db93b192
1548ee361ac
hex2bea9707c

11788710012 has 18 divisors (see below), whose sum is σ = 29799239288. Its totient is φ = 3929569992.

The previous prime is 11788709981. The next prime is 11788710013. The reversal of 11788710012 is 21001788711.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 327464167 = 11788710012 / (1 + 1 + 7 + 8 + 8 + 7 + 1 + 0 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788710013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163732048 + ... + 163732119.

Almost surely, 211788710012 is an apocalyptic number.

11788710012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11788710012 is an abundant number, since it is smaller than the sum of its proper divisors (18010529276).

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

11788710012 is a wasteful number, since it uses less digits than its factorization.

11788710012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327464177 (or 327464172 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 36.

The spelling of 11788710012 in words is "eleven billion, seven hundred eighty-eight million, seven hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 327464167 654928334 982392501 1309856668 1964785002 2947177503 3929570004 5894355006 11788710012