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19525893120 = 2103253113669
BaseRepresentation
bin10010001011110101…
…010111110000000000
31212101210102010212200
4102023311113300000
5304442112034440
612545311353200
71260604232046
oct221365276000
955353363780
1019525893120
11830a948558
12394b222800
131ac23ba416
14d33350396
15794319c30
hex48bd57c00

19525893120 has 264 divisors, whose sum is σ = 69844295040. Its totient is φ = 5038571520.

The previous prime is 19525893067. The next prime is 19525893131. The reversal of 19525893120 is 2139852591.

19525893120 is a `hidden beast` number, since 1 + 9 + 52 + 589 + 3 + 12 + 0 = 666.

It is a super-3 number, since 3×195258931203 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1421646 + ... + 1435314.

Almost surely, 219525893120 is an apocalyptic number.

19525893120 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 19525893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34922147520).

19525893120 is an abundant number, since it is smaller than the sum of its proper divisors (50318401920).

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

19525893120 is a wasteful number, since it uses less digits than its factorization.

19525893120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731 (or 13710 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 19525893120 in words is "nineteen billion, five hundred twenty-five million, eight hundred ninety-three thousand, one hundred twenty".