Base | Representation |
---|---|
bin | 111001111011110001… |
… | …0111101010000001111 |
3 | 102220010111112122001222 |
4 | 1303313202331100033 |
5 | 4014244012023211 |
6 | 133053145353555 |
7 | 11663023265552 |
oct | 1636742752017 |
9 | 386114478058 |
10 | 124412220431 |
11 | 48843500694 |
12 | 201414988bb |
13 | b9693387a5 |
14 | 6043322699 |
15 | 33825051db |
hex | 1cf78bd40f |
124412220431 has 2 divisors, whose sum is σ = 124412220432. Its totient is φ = 124412220430.
The previous prime is 124412220367. The next prime is 124412220433. The reversal of 124412220431 is 134022214421.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 124412220431 - 26 = 124412220367 is a prime.
It is a super-2 number, since 2×1244122204312 (a number of 23 digits) contains 22 as substring.
Together with 124412220433, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 124412220431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124412220433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62206110215 + 62206110216.
It is an arithmetic number, because the mean of its divisors is an integer number (62206110216).
Almost surely, 2124412220431 is an apocalyptic number.
124412220431 is a deficient number, since it is larger than the sum of its proper divisors (1).
124412220431 is an equidigital number, since it uses as much as digits as its factorization.
124412220431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 124412220431 its reverse (134022214421), we get a palindrome (258434434852).
The spelling of 124412220431 in words is "one hundred twenty-four billion, four hundred twelve million, two hundred twenty thousand, four hundred thirty-one".
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