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42859964986020 = 223257313612113127
BaseRepresentation
bin10011011111011000111001…
…11111001111001010100100
312121202101001122121111212100
421233230130333033022210
521104204202014023040
6231053332431252100
712012346613241000
oct1157543477171244
9177671048544770
1042859964986020
1112724899972136
12498266b67a030
131abb8a61c6440
14a8260d26b700
154e4d45624b30
hex26fb1cfcf2a4

42859964986020 has 1728 divisors, whose sum is σ = 168784216473600. Its totient is φ = 8746604052480.

The previous prime is 42859964986001. The next prime is 42859964986043. The reversal of 42859964986020 is 2068946995824.

42859964986020 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 9 + 9 + 6 + 4 + 9 + 8 + 602 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42859964986020.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 337480039197 + ... + 337480039323.

It is an arithmetic number, because the mean of its divisors is an integer number (97676051200).

Almost surely, 242859964986020 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 42859964986020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84392108236800).

42859964986020 is an abundant number, since it is smaller than the sum of its proper divisors (125924251487580).

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

42859964986020 is a wasteful number, since it uses less digits than its factorization.

42859964986020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

The spelling of 42859964986020 in words is "forty-two trillion, eight hundred fifty-nine billion, nine hundred sixty-four million, nine hundred eighty-six thousand, twenty".