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2521880089 = 19132730531
BaseRepresentation
bin1001011001010000…
…1101011000011001
320111202100210010021
42112110031120121
520131100130324
61054124350441
7116331425041
oct22624153031
96452323107
102521880089
111084598923
125a46a5421
13312620551
1419cd08721
15eb5edae4
hex9650d619

2521880089 has 4 divisors (see below), whose sum is σ = 2654610640. Its totient is φ = 2389149540.

The previous prime is 2521880047. The next prime is 2521880173. The reversal of 2521880089 is 9800881252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2521880089 - 213 = 2521871897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521880189) 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, 66365247 + ... + 66365284.

It is an arithmetic number, because the mean of its divisors is an integer number (663652660).

Almost surely, 22521880089 is an apocalyptic number.

It is an amenable number.

2521880089 is a deficient number, since it is larger than the sum of its proper divisors (132730551).

2521880089 is a wasteful number, since it uses less digits than its factorization.

2521880089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132730550.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 2521880089 is about 50218.3242352829. The cubic root of 2521880089 is about 1361.1567596657.

The spelling of 2521880089 in words is "two billion, five hundred twenty-one million, eight hundred eighty thousand, eighty-nine".

Divisors: 1 19 132730531 2521880089