Base | Representation |
---|---|
bin | 1110101010111… |
… | …01000101000001 |
3 | 22120120022221200 |
4 | 13111131011001 |
5 | 223001032031 |
6 | 20113411413 |
7 | 3023014020 |
oct | 725350501 |
9 | 276508850 |
10 | 123064641 |
11 | 63515317 |
12 | 35269b69 |
13 | 1c65ab1b |
14 | 124b68b7 |
15 | ac0d8e6 |
hex | 755d141 |
123064641 has 24 divisors (see below), whose sum is σ = 205944960. Its totient is φ = 69356736.
The previous prime is 123064609. The next prime is 123064679. The reversal of 123064641 is 146460321.
123064641 is a `hidden beast` number, since 12 + 3 + 0 + 6 + 4 + 641 = 666.
It is not a de Polignac number, because 123064641 - 25 = 123064609 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123066641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8781 + ... + 17978.
It is an arithmetic number, because the mean of its divisors is an integer number (8581040).
Almost surely, 2123064641 is an apocalyptic number.
It is an amenable number.
123064641 is a deficient number, since it is larger than the sum of its proper divisors (82880319).
123064641 is a wasteful number, since it uses less digits than its factorization.
123064641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26845 (or 26842 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 123064641 is about 11093.4503649676. The cubic root of 123064641 is about 497.4060878432.
The spelling of 123064641 in words is "one hundred twenty-three million, sixty-four thousand, six hundred forty-one".
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