Base | Representation |
---|---|
bin | 100100001011101… |
… | …1011101011010111 |
3 | 10010121112210011022 |
4 | 1020113123223113 |
5 | 4441302232411 |
6 | 320250231355 |
7 | 42041461436 |
oct | 11027335327 |
9 | 3117483138 |
10 | 1214102231 |
11 | 573368a81 |
12 | 29a72555b |
13 | 1646c12b4 |
14 | b736111d |
15 | 718c3edb |
hex | 485dbad7 |
1214102231 has 2 divisors, whose sum is σ = 1214102232. Its totient is φ = 1214102230.
The previous prime is 1214102221. The next prime is 1214102233. The reversal of 1214102231 is 1322014121.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1214102231 is a prime.
It is a super-2 number, since 2×12141022312 = 2948088454638354722, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 1214102233, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1214102233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607051115 + 607051116.
It is an arithmetic number, because the mean of its divisors is an integer number (607051116).
Almost surely, 21214102231 is an apocalyptic number.
1214102231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214102231 is an equidigital number, since it uses as much as digits as its factorization.
1214102231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1214102231 is about 34843.9697939256. The cubic root of 1214102231 is about 1066.8051061310.
Adding to 1214102231 its reverse (1322014121), we get a palindrome (2536116352).
The spelling of 1214102231 in words is "one billion, two hundred fourteen million, one hundred two thousand, two hundred thirty-one".
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