Base | Representation |
---|---|
bin | 111111100000111… |
… | …1101111100001011 |
3 | 12111112021022100122 |
4 | 1333001331330023 |
5 | 13331043103113 |
6 | 551251253455 |
7 | 103546043021 |
oct | 17701757413 |
9 | 5445238318 |
10 | 2131222283 |
11 | 9a4023933 |
12 | 4b58aa28b |
13 | 27c700298 |
14 | 163096711 |
15 | c7183408 |
hex | 7f07df0b |
2131222283 has 2 divisors, whose sum is σ = 2131222284. Its totient is φ = 2131222282.
The previous prime is 2131222241. The next prime is 2131222349. The reversal of 2131222283 is 3822221312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2131222283 - 210 = 2131221259 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (2131222183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065611141 + 1065611142.
It is an arithmetic number, because the mean of its divisors is an integer number (1065611142).
Almost surely, 22131222283 is an apocalyptic number.
2131222283 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131222283 is an equidigital number, since it uses as much as digits as its factorization.
2131222283 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2304, while the sum is 26.
The square root of 2131222283 is about 46165.1630886321. The cubic root of 2131222283 is about 1286.8944150243.
Adding to 2131222283 its reverse (3822221312), we get a palindrome (5953443595).
The spelling of 2131222283 in words is "two billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred eighty-three".
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