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11974671072 = 253371317331
BaseRepresentation
bin10110010011011111…
…01111101011100000
31010220112110022121000
423021233233223200
5144011003433242
65300122432000
7602513011320
oct131157575340
933815408530
1011974671072
115095431681
1223a2362600
13118ab369b0
14818507280
154a141aa4c
hex2c9befae0

11974671072 has 768 divisors, whose sum is σ = 47145369600. Its totient is φ = 2876497920.

The previous prime is 11974671067. The next prime is 11974671091. The reversal of 11974671072 is 27017647911.

11974671072 is a `hidden beast` number, since 119 + 7 + 467 + 1 + 0 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 386279697 + ... + 386279727.

It is an arithmetic number, because the mean of its divisors is an integer number (61387200).

Almost surely, 211974671072 is an apocalyptic number.

11974671072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11974671072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23572684800).

11974671072 is an abundant number, since it is smaller than the sum of its proper divisors (35170698528).

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

11974671072 is a wasteful number, since it uses less digits than its factorization.

11974671072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 11974671072 in words is "eleven billion, nine hundred seventy-four million, six hundred seventy-one thousand, seventy-two".