Base | Representation |
---|---|
bin | 1110101010111… |
… | …01100000011101 |
3 | 22120120102100201 |
4 | 13111131200131 |
5 | 223001111042 |
6 | 20113423501 |
7 | 3023022106 |
oct | 725354035 |
9 | 276512321 |
10 | 123066397 |
11 | 63516673 |
12 | 3526ab91 |
13 | 1c65b86c |
14 | 124b73ad |
15 | ac0e1b7 |
hex | 755d81d |
123066397 has 2 divisors, whose sum is σ = 123066398. Its totient is φ = 123066396.
The previous prime is 123066367. The next prime is 123066413. The reversal of 123066397 is 793660321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 64176121 + 58890276 = 8011^2 + 7674^2 .
It is a cyclic number.
It is not a de Polignac number, because 123066397 - 27 = 123066269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123066367) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61533198 + 61533199.
It is an arithmetic number, because the mean of its divisors is an integer number (61533199).
Almost surely, 2123066397 is an apocalyptic number.
It is an amenable number.
123066397 is a deficient number, since it is larger than the sum of its proper divisors (1).
123066397 is an equidigital number, since it uses as much as digits as its factorization.
123066397 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40824, while the sum is 37.
The square root of 123066397 is about 11093.5295104849. The cubic root of 123066397 is about 497.4084536485.
The spelling of 123066397 in words is "one hundred twenty-three million, sixty-six thousand, three hundred ninety-seven".
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