Base | Representation |
---|---|
bin | 1111000000111… |
… | …01001101001011 |
3 | 22202222212012102 |
4 | 13200131031023 |
5 | 224220324442 |
6 | 20255304015 |
7 | 3056355341 |
oct | 740351513 |
9 | 282885172 |
10 | 125948747 |
11 | 65105181 |
12 | 3621b00b |
13 | 2012a7b2 |
14 | 12a27991 |
15 | b0cd232 |
hex | 781d34b |
125948747 has 2 divisors, whose sum is σ = 125948748. Its totient is φ = 125948746.
The previous prime is 125948689. The next prime is 125948749. The reversal of 125948747 is 747849521.
It is a strong prime.
It is an emirp because it is prime and its reverse (747849521) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125948747 is a prime.
Together with 125948749, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (125948749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62974373 + 62974374.
It is an arithmetic number, because the mean of its divisors is an integer number (62974374).
Almost surely, 2125948747 is an apocalyptic number.
125948747 is a deficient number, since it is larger than the sum of its proper divisors (1).
125948747 is an equidigital number, since it uses as much as digits as its factorization.
125948747 is an evil number, because the sum of its binary digits is even.
The product of its digits is 564480, while the sum is 47.
The square root of 125948747 is about 11222.6889380398. The cubic root of 125948747 is about 501.2618089974.
The spelling of 125948747 in words is "one hundred twenty-five million, nine hundred forty-eight thousand, seven hundred forty-seven".
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