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42981068526 = 2311651228311
BaseRepresentation
bin101000000001110111…
…110000111011101110
311002221102110111201220
4220001313300323232
51201011123143101
631424545244210
73051053024454
oct500167607356
9132842414656
1042981068526
1117256768a40
1283b6333666
13408c868b36
14211a4869d4
1511b858b636
hexa01df0eee

42981068526 has 16 divisors (see below), whose sum is σ = 93776876928. Its totient is φ = 13024566200.

The previous prime is 42981068497. The next prime is 42981068549. The reversal of 42981068526 is 62586018924.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 325614090 + ... + 325614221.

It is an arithmetic number, because the mean of its divisors is an integer number (5861054808).

Almost surely, 242981068526 is an apocalyptic number.

42981068526 is an abundant number, since it is smaller than the sum of its proper divisors (50795808402).

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

42981068526 is a wasteful number, since it uses less digits than its factorization.

42981068526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651228327.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 42981068526 in words is "forty-two billion, nine hundred eighty-one million, sixty-eight thousand, five hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 651228311 1302456622 1953684933 3907369866 7163511421 14327022842 21490534263 42981068526