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2117876053 = 2447865499
BaseRepresentation
bin111111000111100…
…0011100101010101
312110121011020202211
41332033003211111
513314134013203
6550053233421
7103324435516
oct17617034525
95417136684
102117876053
11997538697
124b1332871
13279a095c7
141613c0a0d
15c5de8c6d
hex7e3c3955

2117876053 has 4 divisors (see below), whose sum is σ = 2118744000. Its totient is φ = 2117008108.

The previous prime is 2117876039. The next prime is 2117876069. The reversal of 2117876053 is 3506787112.

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 a de Polignac number, because none of the positive numbers 2k-2117876053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2117875997 and 2117876015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117876023) 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, 430303 + ... + 435196.

It is an arithmetic number, because the mean of its divisors is an integer number (529686000).

Almost surely, 22117876053 is an apocalyptic number.

It is an amenable number.

2117876053 is a deficient number, since it is larger than the sum of its proper divisors (867947).

2117876053 is an equidigital number, since it uses as much as digits as its factorization.

2117876053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867946.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 2117876053 is about 46020.3873625592. The cubic root of 2117876053 is about 1284.2025065721.

The spelling of 2117876053 in words is "two billion, one hundred seventeen million, eight hundred seventy-six thousand, fifty-three".

Divisors: 1 2447 865499 2117876053