Base | Representation |
---|---|
bin | 1110101011100… |
… | …01111100101101 |
3 | 22120201200012202 |
4 | 13111301330231 |
5 | 223011301000 |
6 | 20115311245 |
7 | 3023521160 |
oct | 725617455 |
9 | 276650182 |
10 | 123150125 |
11 | 6357356a |
12 | 352ab525 |
13 | 1c68a9c7 |
14 | 124d9ad7 |
15 | ac28dd5 |
hex | 7571f2d |
123150125 has 48 divisors (see below), whose sum is σ = 186970368. Its totient is φ = 79315200.
The previous prime is 123150113. The next prime is 123150127. The reversal of 123150125 is 521051321.
It is a happy number.
It is not a de Polignac number, because 123150125 - 24 = 123150109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 123150097 and 123150106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123150127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252632 + ... + 253118.
It is an arithmetic number, because the mean of its divisors is an integer number (3895216).
Almost surely, 2123150125 is an apocalyptic number.
It is an amenable number.
123150125 is a deficient number, since it is larger than the sum of its proper divisors (63820243).
123150125 is an equidigital number, since it uses as much as digits as its factorization.
123150125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543 (or 516 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 123150125 is about 11097.3026001817. The cubic root of 123150125 is about 497.5212317227.
The spelling of 123150125 in words is "one hundred twenty-three million, one hundred fifty thousand, one hundred twenty-five".
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