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8040808008 = 233337225963
BaseRepresentation
bin1110111110100010…
…01111111001001000
3202202101012100222000
413133101033321020
5112431421324013
63405514231000
7403154511642
oct73721177110
922671170860
108040808008
113456910082
121684a25460
139b1b3067c
14563c8b892
15320dab973
hex1df44fe48

8040808008 has 32 divisors (see below), whose sum is σ = 22335578400. Its totient is φ = 2680269264.

The previous prime is 8040808001. The next prime is 8040808021. The reversal of 8040808008 is 8008080408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8040808001) by changing a digit.

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, 18612766 + ... + 18613197.

It is an arithmetic number, because the mean of its divisors is an integer number (697986825).

Almost surely, 28040808008 is an apocalyptic number.

It is an amenable number.

8040808008 is an abundant number, since it is smaller than the sum of its proper divisors (14294770392).

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

8040808008 is a wasteful number, since it uses less digits than its factorization.

8040808008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225978 (or 37225968 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 8040808008 is about 89670.5526245935. The cubic root of 8040808008 is about 2003.3949013950.

The spelling of 8040808008 in words is "eight billion, forty million, eight hundred eight thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 37225963 74451926 111677889 148903852 223355778 297807704 335033667 446711556 670067334 893423112 1005101001 1340134668 2010202002 2680269336 4020404004 8040808008