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7990629896 = 232314343159
BaseRepresentation
bin1110111000100011…
…10101011000001000
3202121212210001112102
413130101311120020
5112331100124041
63400522532532
7402005143034
oct73421653010
922555701472
107990629896
113430558567
121670067148
139a4612192
1455b3491c4
1531b79909b
hex1dc475608

7990629896 has 16 divisors (see below), whose sum is σ = 14983425600. Its totient is φ = 3995049744.

The previous prime is 7990629877. The next prime is 7990629937. The reversal of 7990629896 is 6989260997.

It is a super-2 number, since 2×79906298962 (a number of 21 digits) contains 22 as substring.

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, 163565 + ... + 206723.

It is an arithmetic number, because the mean of its divisors is an integer number (936464100).

Almost surely, 27990629896 is an apocalyptic number.

It is an amenable number.

7990629896 is a deficient number, since it is larger than the sum of its proper divisors (6992795704).

7990629896 is a wasteful number, since it uses less digits than its factorization.

7990629896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66308 (or 66304 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 65.

The square root of 7990629896 is about 89390.3232794244. The cubic root of 7990629896 is about 1999.2188529444.

The spelling of 7990629896 in words is "seven billion, nine hundred ninety million, six hundred twenty-nine thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 23143 43159 46286 86318 92572 172636 185144 345272 998828737 1997657474 3995314948 7990629896