Base | Representation |
---|---|
bin | 100011100001010100010101… |
… | …1101101010110001011011111 |
3 | 1111222021012111202020212010211 |
4 | 1013002220223231112023133 |
5 | 311423024041100104211 |
6 | 3024302022420513251 |
7 | 122545135352364226 |
oct | 10702505355261337 |
9 | 1458235452225124 |
10 | 312442424222431 |
11 | 906100a7130978 |
12 | 2b06152784b827 |
13 | 1054526a802219 |
14 | 5722418b0bcbd |
15 | 261c5278bce21 |
hex | 11c2a2bb562df |
312442424222431 has 2 divisors, whose sum is σ = 312442424222432. Its totient is φ = 312442424222430.
The previous prime is 312442424222429. The next prime is 312442424222447. The reversal of 312442424222431 is 134222424244213.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 312442424222431 - 21 = 312442424222429 is a prime.
It is a super-2 number, since 2×3124424242224312 (a number of 30 digits) contains 22 as substring.
Together with 312442424222429, 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 (312442422222431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221212111215 + 156221212111216.
It is an arithmetic number, because the mean of its divisors is an integer number (156221212111216).
Almost surely, 2312442424222431 is an apocalyptic number.
312442424222431 is a deficient number, since it is larger than the sum of its proper divisors (1).
312442424222431 is an equidigital number, since it uses as much as digits as its factorization.
312442424222431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 589824, while the sum is 40.
Adding to 312442424222431 its reverse (134222424244213), we get a palindrome (446664848466644).
The spelling of 312442424222431 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, four hundred thirty-one".
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