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2050868109 = 32712522593
BaseRepresentation
bin111101000111101…
…1100001110001101
312021221001220011010
41322033130032031
513200010234414
6535301115433
7101552043213
oct17217341615
95257056133
102050868109
11962730624
124929b8b79
13268b77934
1415653acb3
15c00ae959
hex7a3dc38d

2050868109 has 8 divisors (see below), whose sum is σ = 2744582272. Its totient is φ = 1362199680.

The previous prime is 2050868089. The next prime is 2050868111. The reversal of 2050868109 is 9018680502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2050868109 - 28 = 2050867853 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 (2050868159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260484 + ... + 1262109.

It is an arithmetic number, because the mean of its divisors is an integer number (343072784).

Almost surely, 22050868109 is an apocalyptic number.

It is an amenable number.

2050868109 is a deficient number, since it is larger than the sum of its proper divisors (693714163).

2050868109 is a wasteful number, since it uses less digits than its factorization.

2050868109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522867.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 2050868109 is about 45286.5113361584. The cubic root of 2050868109 is about 1270.5133826636.

The spelling of 2050868109 in words is "two billion, fifty million, eight hundred sixty-eight thousand, one hundred nine".

Divisors: 1 3 271 813 2522593 7567779 683622703 2050868109