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19074525120 = 2632574147491
BaseRepresentation
bin10001110000111011…
…100010011111000000
31211020100002021101100
4101300323202133000
5303031034300440
612432425134400
71243453534260
oct216073423700
954210067340
1019074525120
1180a9088052
12384402a400
131a4ca31b71
14ccd4177a0
157698ab230
hex470ee27c0

19074525120 has 672 divisors, whose sum is σ = 78603872256. Its totient is φ = 4154572800.

The previous prime is 19074525109. The next prime is 19074525139. The reversal of 19074525120 is 2152547091.

19074525120 is a `hidden beast` number, since 1 + 9 + 0 + 7 + 4 + 525 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×190745251202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38848075 + ... + 38848565.

It is an arithmetic number, because the mean of its divisors is an integer number (116970048).

Almost surely, 219074525120 is an apocalyptic number.

19074525120 is a gapful number since it is divisible by the number (10) 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 19074525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39301936128).

19074525120 is an abundant number, since it is smaller than the sum of its proper divisors (59529347136).

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

19074525120 is a wasteful number, since it uses less digits than its factorization.

19074525120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 19074525120 in words is "nineteen billion, seventy-four million, five hundred twenty-five thousand, one hundred twenty".