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7990299263 = 10377575721
BaseRepresentation
bin1110111000100001…
…00100101001111111
3202121212011020222202
413130100210221333
5112331004034023
63400511502115
7402002265062
oct73420445177
922555136882
107990299263
113430352111
12166bb2793b
139a452783b
1455b2a08d9
1531b731128
hex1dc424a7f

7990299263 has 4 divisors (see below), whose sum is σ = 8067875088. Its totient is φ = 7912723440.

The previous prime is 7990299257. The next prime is 7990299271. The reversal of 7990299263 is 3629920997.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7990299263 - 214 = 7990282879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7990299199 and 7990299208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990299203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38787758 + ... + 38787963.

It is an arithmetic number, because the mean of its divisors is an integer number (2016968772).

Almost surely, 27990299263 is an apocalyptic number.

7990299263 is a deficient number, since it is larger than the sum of its proper divisors (77575825).

7990299263 is a wasteful number, since it uses less digits than its factorization.

7990299263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77575824.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 7990299263 is about 89388.4738822629. The cubic root of 7990299263 is about 1999.1912782787.

The spelling of 7990299263 in words is "seven billion, nine hundred ninety million, two hundred ninety-nine thousand, two hundred sixty-three".

Divisors: 1 103 77575721 7990299263