Base | Representation |
---|---|
bin | 1101011000110111001… |
… | …0111010111111101111 |
3 | 210222200221112120020011 |
4 | 3112031302322333233 |
5 | 12232031110443431 |
6 | 253355515434051 |
7 | 22421626316044 |
oct | 3261562727757 |
9 | 728627476204 |
10 | 230012202991 |
11 | 8960298a54a |
12 | 386b2755927 |
13 | 188c809777c |
14 | b1bddc51cb |
15 | 5eb31adcb1 |
hex | 358dcbafef |
230012202991 has 2 divisors, whose sum is σ = 230012202992. Its totient is φ = 230012202990.
The previous prime is 230012202989. The next prime is 230012203007. The reversal of 230012202991 is 199202210032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230012202991 - 21 = 230012202989 is a prime.
It is a super-2 number, since 2×2300122029912 (a number of 24 digits) contains 22 as substring.
Together with 230012202989, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230012202191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115006101495 + 115006101496.
It is an arithmetic number, because the mean of its divisors is an integer number (115006101496).
Almost surely, 2230012202991 is an apocalyptic number.
230012202991 is a deficient number, since it is larger than the sum of its proper divisors (1).
230012202991 is an equidigital number, since it uses as much as digits as its factorization.
230012202991 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 31.
The spelling of 230012202991 in words is "two hundred thirty billion, twelve million, two hundred two thousand, nine hundred ninety-one".
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