Base | Representation |
---|---|
bin | 111001011000100010… |
… | …1001100001110000101 |
3 | 102210002010000020101101 |
4 | 1302301011030032011 |
5 | 4004333340343133 |
6 | 132335554500101 |
7 | 11621516551603 |
oct | 1626105141605 |
9 | 383063006341 |
10 | 123230012293 |
11 | 48297147173 |
12 | 1ba71594631 |
13 | b80b43364b |
14 | 5d70304873 |
15 | 331383137d |
hex | 1cb114c385 |
123230012293 has 2 divisors, whose sum is σ = 123230012294. Its totient is φ = 123230012292.
The previous prime is 123230012287. The next prime is 123230012303. The reversal of 123230012293 is 392210032321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 122935786884 + 294225409 = 350622^2 + 17153^2 .
It is a cyclic number.
It is not a de Polignac number, because 123230012293 - 29 = 123230011781 is a prime.
It is a super-2 number, since 2×1232300122932 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123230012203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615006146 + 61615006147.
It is an arithmetic number, because the mean of its divisors is an integer number (61615006147).
Almost surely, 2123230012293 is an apocalyptic number.
It is an amenable number.
123230012293 is a deficient number, since it is larger than the sum of its proper divisors (1).
123230012293 is an equidigital number, since it uses as much as digits as its factorization.
123230012293 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 28.
The spelling of 123230012293 in words is "one hundred twenty-three billion, two hundred thirty million, twelve thousand, two hundred ninety-three".
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