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8063991942 = 2315716215281
BaseRepresentation
bin1111000001010011…
…01100000010000110
3202210222211020100020
413200221230002012
5113003340220232
63412103200010
7403555541406
oct74051540206
922728736306
108063991942
113468a05556
121690746006
139b688a086
14566da4806
15322e3ae2c
hex1e0a6c086

8063991942 has 32 divisors (see below), whose sum is σ = 16243797984. Its totient is φ = 2668723200.

The previous prime is 8063991937. The next prime is 8063991953. The reversal of 8063991942 is 2491993608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524342 + ... + 1529622.

It is an arithmetic number, because the mean of its divisors is an integer number (507618687).

Almost surely, 28063991942 is an apocalyptic number.

8063991942 is an abundant number, since it is smaller than the sum of its proper divisors (8179806042).

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

8063991942 is a wasteful number, since it uses less digits than its factorization.

8063991942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 8063991942 is about 89799.7324160824. The cubic root of 8063991942 is about 2005.3185060432.

The spelling of 8063991942 in words is "eight billion, sixty-three million, nine hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 157 314 471 942 1621 3242 4863 5281 9726 10562 15843 31686 254497 508994 763491 829117 1526982 1658234 2487351 4974702 8560501 17121002 25681503 51363006 1343998657 2687997314 4031995971 8063991942