Base | Representation |
---|---|
bin | 1110101010111… |
… | …01100101100101 |
3 | 22120120102210212 |
4 | 13111131211211 |
5 | 223001113400 |
6 | 20113425205 |
7 | 3023023055 |
oct | 725354545 |
9 | 276512725 |
10 | 123066725 |
11 | 63516941 |
12 | 3526b205 |
13 | 1c65ba62 |
14 | 124b7565 |
15 | ac0e335 |
hex | 755d965 |
123066725 has 6 divisors (see below), whose sum is σ = 152602770. Its totient is φ = 98453360.
The previous prime is 123066719. The next prime is 123066751. The reversal of 123066725 is 527660321.
It can be written as a sum of positive squares in 3 ways, for example, as 14615329 + 108451396 = 3823^2 + 10414^2 .
It is not a de Polignac number, because 123066725 - 226 = 55957861 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123066691 and 123066700.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2461310 + ... + 2461359.
It is an arithmetic number, because the mean of its divisors is an integer number (25433795).
Almost surely, 2123066725 is an apocalyptic number.
It is an amenable number.
123066725 is a deficient number, since it is larger than the sum of its proper divisors (29536045).
123066725 is an equidigital number, since it uses as much as digits as its factorization.
123066725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4922679 (or 4922674 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 123066725 is about 11093.5442938675. The cubic root of 123066725 is about 497.4088955504.
The spelling of 123066725 in words is "one hundred twenty-three million, sixty-six thousand, seven hundred twenty-five".
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