Base | Representation |
---|---|
bin | 111111000110001… |
… | …0000010001000001 |
3 | 12110112202221020201 |
4 | 1332030100101001 |
5 | 13313442012234 |
6 | 550025405201 |
7 | 103315256254 |
oct | 17614202101 |
9 | 5415687221 |
10 | 2117141569 |
11 | 997086884 |
12 | 4b1039801 |
13 | 2798101ba |
14 | 16126d09b |
15 | c5d01314 |
hex | 7e310441 |
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".
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