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2117141569 is a prime number
BaseRepresentation
bin111111000110001…
…0000010001000001
312110112202221020201
41332030100101001
513313442012234
6550025405201
7103315256254
oct17614202101
95415687221
102117141569
11997086884
124b1039801
132798101ba
1416126d09b
15c5d01314
hex7e310441

2117141569 has 2 divisors, whose sum is σ = 2117141570. Its totient is φ = 2117141568.

The previous prime is 2117141567. The next prime is 2117141573. The reversal of 2117141569 is 9651417112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1910127025 + 207014544 = 43705^2 + 14388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2117141569 - 21 = 2117141567 is a prime.

It is a super-2 number, since 2×21171415692 = 8964576846375563522, which contains 22 as substring.

Together with 2117141567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2117141561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058570784 + 1058570785.

It is an arithmetic number, because the mean of its divisors is an integer number (1058570785).

Almost surely, 22117141569 is an apocalyptic number.

It is an amenable number.

2117141569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117141569 is an equidigital number, since it uses as much as digits as its factorization.

2117141569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 37.

The square root of 2117141569 is about 46012.4066855886. The cubic root of 2117141569 is about 1284.0540346709.

The spelling of 2117141569 in words is "two billion, one hundred seventeen million, one hundred forty-one thousand, five hundred sixty-nine".