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42895978002 = 2332832806961
BaseRepresentation
bin100111111100110011…
…001010111000010010
311002201111100110111000
4213330303022320102
51200322332244002
631412305402430
73046000540233
oct477463127022
9132644313430
1042895978002
1117212730199
128391939416
134078045707
14210d05708a
1511b0d7e61c
hex9fcccae12

42895978002 has 32 divisors (see below), whose sum is σ = 95661264960. Its totient is φ = 14248128960.

The previous prime is 42895977979. The next prime is 42895978019. The reversal of 42895978002 is 20087959824.

42895978002 is a `hidden beast` number, since 42 + 8 + 9 + 597 + 8 + 0 + 0 + 2 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42895978002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388199 + ... + 1418762.

It is an arithmetic number, because the mean of its divisors is an integer number (2989414530).

Almost surely, 242895978002 is an apocalyptic number.

42895978002 is an abundant number, since it is smaller than the sum of its proper divisors (52765286958).

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

42895978002 is a wasteful number, since it uses less digits than its factorization.

42895978002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807255 (or 2807249 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 42895978002 in words is "forty-two billion, eight hundred ninety-five million, nine hundred seventy-eight thousand, two".

Divisors: 1 2 3 6 9 18 27 54 283 566 849 1698 2547 5094 7641 15282 2806961 5613922 8420883 16841766 25262649 50525298 75787947 151575894 794369963 1588739926 2383109889 4766219778 7149329667 14298659334 21447989001 42895978002