Base | Representation |
---|---|
bin | 1100001110110001000… |
… | …0111101101101000111 |
3 | 202002100210011210222222 |
4 | 3003230100331231013 |
5 | 11420312302101411 |
6 | 240310122042555 |
7 | 21116012040254 |
oct | 3035420755507 |
9 | 662323153888 |
10 | 210122300231 |
11 | 81126619188 |
12 | 3488164945b |
13 | 16a7845a53c |
14 | a25459c42b |
15 | 56ebe3e4db |
hex | 30ec43db47 |
210122300231 has 2 divisors, whose sum is σ = 210122300232. Its totient is φ = 210122300230.
The previous prime is 210122300197. The next prime is 210122300261. The reversal of 210122300231 is 132003221012.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-210122300231 is a prime.
It is a super-2 number, since 2×2101223002312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (210122300261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061150115 + 105061150116.
It is an arithmetic number, because the mean of its divisors is an integer number (105061150116).
Almost surely, 2210122300231 is an apocalyptic number.
210122300231 is a deficient number, since it is larger than the sum of its proper divisors (1).
210122300231 is an equidigital number, since it uses as much as digits as its factorization.
210122300231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 210122300231 its reverse (132003221012), we get a palindrome (342125521243).
The spelling of 210122300231 in words is "two hundred ten billion, one hundred twenty-two million, three hundred thousand, two hundred thirty-one".
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