Base | Representation |
---|---|
bin | 1110110011110… |
… | …10101110111001 |
3 | 22122202202221111 |
4 | 13121322232321 |
5 | 223301002211 |
6 | 20154440321 |
7 | 3035656144 |
oct | 731725671 |
9 | 278682844 |
10 | 124234681 |
11 | 6414439a |
12 | 357330a1 |
13 | 1c97a55c |
14 | 126dd05b |
15 | ad90421 |
hex | 767abb9 |
124234681 has 2 divisors, whose sum is σ = 124234682. Its totient is φ = 124234680.
The previous prime is 124234651. The next prime is 124234687. The reversal of 124234681 is 186432421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 117939600 + 6295081 = 10860^2 + 2509^2 .
It is a cyclic number.
It is not a de Polignac number, because 124234681 - 213 = 124226489 is a prime.
It is a super-2 number, since 2×1242346812 = 30868511926343522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (124234687) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62117340 + 62117341.
It is an arithmetic number, because the mean of its divisors is an integer number (62117341).
Almost surely, 2124234681 is an apocalyptic number.
It is an amenable number.
124234681 is a deficient number, since it is larger than the sum of its proper divisors (1).
124234681 is an equidigital number, since it uses as much as digits as its factorization.
124234681 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 31.
The square root of 124234681 is about 11146.0612325610. The cubic root of 124234681 is about 498.9774850183.
The spelling of 124234681 in words is "one hundred twenty-four million, two hundred thirty-four thousand, six hundred eighty-one".
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