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57872519712 = 2534729109987
BaseRepresentation
bin110101111001011110…
…001001001000100000
312112101020100121110000
4311321132021020200
51422010331112322
642330344540000
74116064205160
oct657136111040
9175336317400
1057872519712
11225a858a697
12b271481600
1355c3a6a207
142b300d25a0
15178aaad3ac
hexd79789220

57872519712 has 240 divisors, whose sum is σ = 201225245760. Its totient is φ = 15964687872.

The previous prime is 57872519699. The next prime is 57872519713. The reversal of 57872519712 is 21791527875.

57872519712 is a `hidden beast` number, since 57 + 8 + 7 + 2 + 519 + 71 + 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 (57872519713) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 471183 + ... + 581169.

It is an arithmetic number, because the mean of its divisors is an integer number (838438524).

Almost surely, 257872519712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57872519712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100612622880).

57872519712 is an abundant number, since it is smaller than the sum of its proper divisors (143352726048).

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

57872519712 is a wasteful number, since it uses less digits than its factorization.

57872519712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110045 (or 110028 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 54.

The spelling of 57872519712 in words is "fifty-seven billion, eight hundred seventy-two million, five hundred nineteen thousand, seven hundred twelve".