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5715919872 = 21036131931
BaseRepresentation
bin1010101001011001…
…00000010000000000
3112202100111211000000
411110230200100000
543201233413442
62343104000000
7261434342265
oct52454402000
915670454000
105715919872
112473540223
121136300000
13701283210
143c31c126c
15236c20d4c
hex154b20400

5715919872 has 616 divisors, whose sum is σ = 20046844160. Its totient is φ = 1612431360.

The previous prime is 5715919871. The next prime is 5715919897. The reversal of 5715919872 is 2789195175.

5715919872 is a `hidden beast` number, since 571 + 59 + 19 + 8 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5715919871) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 184384497 + ... + 184384527.

Almost surely, 25715919872 is an apocalyptic number.

5715919872 is a gapful number since it is divisible by the number (52) 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 5715919872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10023422080).

5715919872 is an abundant number, since it is smaller than the sum of its proper divisors (14330924288).

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

5715919872 is a wasteful number, since it uses less digits than its factorization.

5715919872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 68 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 54.

The square root of 5715919872 is about 75603.7027664651. The cubic root of 5715919872 is about 1787.9774782083.

The spelling of 5715919872 in words is "five billion, seven hundred fifteen million, nine hundred nineteen thousand, eight hundred seventy-two".