Base | Representation |
---|---|
bin | 1001000101001010110… |
… | …00111101110001010111 |
3 | 1002211100200102201102121 |
4 | 10202211120331301113 |
5 | 20103000140233143 |
6 | 355200405120411 |
7 | 31353646620361 |
oct | 4424530756127 |
9 | 1084320381377 |
10 | 312012430423 |
11 | 110361979051 |
12 | 505783b9107 |
13 | 235657262c5 |
14 | 1115c677d31 |
15 | 81b20877ed |
hex | 48a563dc57 |
312012430423 has 2 divisors, whose sum is σ = 312012430424. Its totient is φ = 312012430422.
The previous prime is 312012430351. The next prime is 312012430451. The reversal of 312012430423 is 324034210213.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 312012430423 - 213 = 312012422231 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312012430493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156006215211 + 156006215212.
It is an arithmetic number, because the mean of its divisors is an integer number (156006215212).
Almost surely, 2312012430423 is an apocalyptic number.
312012430423 is a deficient number, since it is larger than the sum of its proper divisors (1).
312012430423 is an equidigital number, since it uses as much as digits as its factorization.
312012430423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 312012430423 its reverse (324034210213), we get a palindrome (636046640636).
The spelling of 312012430423 in words is "three hundred twelve billion, twelve million, four hundred thirty thousand, four hundred twenty-three".
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