Base | Representation |
---|---|
bin | 111001011110010100… |
… | …1101010100111000011 |
3 | 102210120122021002200002 |
4 | 1302330221222213003 |
5 | 4010233033421311 |
6 | 132411131150215 |
7 | 11626364511155 |
oct | 1627451524703 |
9 | 383518232602 |
10 | 123424123331 |
11 | 48386777713 |
12 | 1bb065a536b |
13 | b83c708352 |
14 | 5d8bdd2ad5 |
15 | 33258c593b |
hex | 1cbca6a9c3 |
123424123331 has 2 divisors, whose sum is σ = 123424123332. Its totient is φ = 123424123330.
The previous prime is 123424123321. The next prime is 123424123379. The reversal of 123424123331 is 133321424321.
It is a weak prime.
It is an emirp because it is prime and its reverse (133321424321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 123424123331 - 214 = 123424106947 is a prime.
It is a super-2 number, since 2×1234241233312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123424123294 and 123424123303.
It is not a weakly prime, because it can be changed into another prime (123424123321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61712061665 + 61712061666.
It is an arithmetic number, because the mean of its divisors is an integer number (61712061666).
Almost surely, 2123424123331 is an apocalyptic number.
123424123331 is a deficient number, since it is larger than the sum of its proper divisors (1).
123424123331 is an equidigital number, since it uses as much as digits as its factorization.
123424123331 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10368, while the sum is 29.
Adding to 123424123331 its reverse (133321424321), we get a palindrome (256745547652).
The spelling of 123424123331 in words is "one hundred twenty-three billion, four hundred twenty-four million, one hundred twenty-three thousand, three hundred thirty-one".
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