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2050851731 = 83139177763
BaseRepresentation
bin111101000111101…
…1000001110010011
312021221001001200112
41322033120032103
513200004223411
6535300511535
7101551644365
oct17217301623
95257031615
102050851731
1196271a295
124929ab5ab
13268b70346
14156534d35
15c00a9b8b
hex7a3d8393

2050851731 has 8 divisors (see below), whose sum is σ = 2090504640. Its totient is φ = 2011554792.

The previous prime is 2050851713. The next prime is 2050851739. The reversal of 2050851731 is 1371580502.

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

It is a cyclic number.

It is not a de Polignac number, because 2050851731 - 222 = 2046657427 is a prime.

It is a super-2 number, since 2×20508517312 = 8411985645091392722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050851739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77345 + ... + 100418.

It is an arithmetic number, because the mean of its divisors is an integer number (261313080).

Almost surely, 22050851731 is an apocalyptic number.

2050851731 is a deficient number, since it is larger than the sum of its proper divisors (39652909).

2050851731 is a wasteful number, since it uses less digits than its factorization.

2050851731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177985.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2050851731 is about 45286.3305093270. The cubic root of 2050851731 is about 1270.5100005960.

The spelling of 2050851731 in words is "two billion, fifty million, eight hundred fifty-one thousand, seven hundred thirty-one".

Divisors: 1 83 139 11537 177763 14754329 24709057 2050851731