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2080899221 = 13271568123
BaseRepresentation
bin111110000001000…
…0000000010010101
312101000120122002112
41330002000002111
513230202233341
6542252520405
7102365231402
oct17402000225
95330518075
102080899221
11978682425
124a0a80105
13272160b1b
1415a5172a9
15c2a42aeb
hex7c080095

2080899221 has 4 divisors (see below), whose sum is σ = 2082468672. Its totient is φ = 2079329772.

The previous prime is 2080899179. The next prime is 2080899253. The reversal of 2080899221 is 1229980802.

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 2080899221 - 226 = 2013790357 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 (2080895221) 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, 782735 + ... + 785388.

It is an arithmetic number, because the mean of its divisors is an integer number (520617168).

Almost surely, 22080899221 is an apocalyptic number.

It is an amenable number.

2080899221 is a deficient number, since it is larger than the sum of its proper divisors (1569451).

2080899221 is a wasteful number, since it uses less digits than its factorization.

2080899221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569450.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 2080899221 is about 45616.8743010742. The cubic root of 2080899221 is about 1276.6847846128.

The spelling of 2080899221 in words is "two billion, eighty million, eight hundred ninety-nine thousand, two hundred twenty-one".

Divisors: 1 1327 1568123 2080899221