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8063064980 = 2251723714897
BaseRepresentation
bin1111000001001100…
…01001101110010100
3202210221002010210022
413200212021232110
5113003121034410
63412031244312
7403544631035
oct74046115624
922727063708
108063064980
113468432073
121690379698
139b6624189
14566c02a8c
15322d06455
hex1e0989b94

8063064980 has 24 divisors (see below), whose sum is σ = 17928462888. Its totient is φ = 3035506688.

The previous prime is 8063064881. The next prime is 8063064991. The reversal of 8063064980 is 894603608.

It can be written as a sum of positive squares in 4 ways, for example, as 81072016 + 7981992964 = 9004^2 + 89342^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11857109 + ... + 11857788.

It is an arithmetic number, because the mean of its divisors is an integer number (747019287).

Almost surely, 28063064980 is an apocalyptic number.

It is an amenable number.

8063064980 is an abundant number, since it is smaller than the sum of its proper divisors (9865397908).

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

8063064980 is a wasteful number, since it uses less digits than its factorization.

8063064980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23714923 (or 23714921 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 8063064980 is about 89794.5709940195. The cubic root of 8063064980 is about 2005.2416654703.

The spelling of 8063064980 in words is "eight billion, sixty-three million, sixty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 23714897 47429794 94859588 118574485 237148970 403153249 474297940 806306498 1612612996 2015766245 4031532490 8063064980