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2979082399 = 13721745127
BaseRepresentation
bin1011000110010001…
…0011000010011111
321200121200001210011
42301210103002133
522100121114044
61211340024051
7133552532266
oct26144230237
97617601704
102979082399
111299683777
126b1832027
1338626c567
1420391d5dd
15126811134
hexb191309f

2979082399 has 4 divisors (see below), whose sum is σ = 3000827664. Its totient is φ = 2957337136.

The previous prime is 2979082369. The next prime is 2979082433. The reversal of 2979082399 is 9932809792.

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 2979082399 - 221 = 2976985247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979082319) 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, 10872427 + ... + 10872700.

It is an arithmetic number, because the mean of its divisors is an integer number (750206916).

Almost surely, 22979082399 is an apocalyptic number.

2979082399 is a deficient number, since it is larger than the sum of its proper divisors (21745265).

2979082399 is a wasteful number, since it uses less digits than its factorization.

2979082399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21745264.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 2979082399 is about 54580.9710338686. The cubic root of 2979082399 is about 1438.8897046785.

The spelling of 2979082399 in words is "two billion, nine hundred seventy-nine million, eighty-two thousand, three hundred ninety-nine".

Divisors: 1 137 21745127 2979082399