Base | Representation |
---|---|
bin | 1110111010001… |
… | …10001111011001 |
3 | 22201100010101101 |
4 | 13131012033121 |
5 | 224004140444 |
6 | 20224351401 |
7 | 3046030315 |
oct | 735061731 |
9 | 281303341 |
10 | 125068249 |
11 | 64663699 |
12 | 35a75561 |
13 | 1cbacaa7 |
14 | 12878b45 |
15 | aea73d4 |
hex | 77463d9 |
125068249 has 2 divisors, whose sum is σ = 125068250. Its totient is φ = 125068248.
The previous prime is 125068247. The next prime is 125068261. The reversal of 125068249 is 942860521.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 100861849 + 24206400 = 10043^2 + 4920^2 .
It is an emirp because it is prime and its reverse (942860521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 125068249 - 21 = 125068247 is a prime.
Together with 125068247, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (125068243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62534124 + 62534125.
It is an arithmetic number, because the mean of its divisors is an integer number (62534125).
Almost surely, 2125068249 is an apocalyptic number.
It is an amenable number.
125068249 is a deficient number, since it is larger than the sum of its proper divisors (1).
125068249 is an equidigital number, since it uses as much as digits as its factorization.
125068249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 125068249 is about 11183.3916590630. The cubic root of 125068249 is about 500.0909821102.
The spelling of 125068249 in words is "one hundred twenty-five million, sixty-eight thousand, two hundred forty-nine".
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