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7680080008 = 237873121937
BaseRepresentation
bin1110010011100010…
…01011100010001000
3201211020102111011201
413021301023202020
5111212100030013
63310030433544
7361214413546
oct71161134210
921736374151
107680080008
113291228867
1215a40628b4
1395518c453
1452bdcad96
152ee3a43dd
hex1c9c4b888

7680080008 has 16 divisors (see below), whose sum is σ = 14402097180. Its totient is φ = 3839520768.

The previous prime is 7680079997. The next prime is 7680080053. The reversal of 7680080008 is 8000800867.

It can be written as a sum of positive squares in 2 ways, for example, as 5861739844 + 1818340164 = 76562^2 + 42642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016 + ... + 123952.

Almost surely, 27680080008 is an apocalyptic number.

It is an amenable number.

7680080008 is a deficient number, since it is larger than the sum of its proper divisors (6722017172).

7680080008 is a wasteful number, since it uses less digits than its factorization.

7680080008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129816 (or 129812 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 7680080008 is about 87636.0656807458. The cubic root of 7680080008 is about 1972.9765107147.

The spelling of 7680080008 in words is "seven billion, six hundred eighty million, eighty thousand, eight".

Divisors: 1 2 4 8 7873 15746 31492 62984 121937 243874 487748 975496 960010001 1920020002 3840040004 7680080008