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3079585021 = 12132538817
BaseRepresentation
bin1011011110001110…
…1011110011111101
321221121210010110111
42313203223303331
522301333210041
61225330110021
7136213016662
oct26743536375
97847703414
103079585021
111340388897
1271b41b311
133a102aa76
14213001a69
15130564981
hexb78ebcfd

3079585021 has 4 divisors (see below), whose sum is σ = 3082125052. Its totient is φ = 3077044992.

The previous prime is 3079585009. The next prime is 3079585049. The reversal of 3079585021 is 1205859703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 469805625 + 2609779396 = 21675^2 + 51086^2 .

It is a cyclic number.

It is not a de Polignac number, because 3079585021 - 29 = 3079584509 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 (3079585321) 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, 1268196 + ... + 1270621.

It is an arithmetic number, because the mean of its divisors is an integer number (770531263).

Almost surely, 23079585021 is an apocalyptic number.

It is an amenable number.

3079585021 is a deficient number, since it is larger than the sum of its proper divisors (2540031).

3079585021 is a wasteful number, since it uses less digits than its factorization.

3079585021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540030.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 3079585021 is about 55494.0088748326. The cubic root of 3079585021 is about 1454.8919230233.

The spelling of 3079585021 in words is "three billion, seventy-nine million, five hundred eighty-five thousand, twenty-one".

Divisors: 1 1213 2538817 3079585021