Base | Representation |
---|---|
bin | 1110110000110000… |
… | …00111000010100001 |
3 | 202110022121011021121 |
4 | 13120120013002201 |
5 | 112212320304431 |
6 | 3350223452241 |
7 | 400251541636 |
oct | 73030070241 |
9 | 22408534247 |
10 | 7925166241 |
11 | 33a7605773 |
12 | 1652157081 |
13 | 993ba13a5 |
14 | 55278818d |
15 | 315b67611 |
hex | 1d86070a1 |
7925166241 has 2 divisors, whose sum is σ = 7925166242. Its totient is φ = 7925166240.
The previous prime is 7925166239. The next prime is 7925166253. The reversal of 7925166241 is 1426615297.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4736192400 + 3188973841 = 68820^2 + 56471^2 .
It is a cyclic number.
It is not a de Polignac number, because 7925166241 - 21 = 7925166239 is a prime.
Together with 7925166239, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (7925166211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3962583120 + 3962583121.
It is an arithmetic number, because the mean of its divisors is an integer number (3962583121).
Almost surely, 27925166241 is an apocalyptic number.
It is an amenable number.
7925166241 is a deficient number, since it is larger than the sum of its proper divisors (1).
7925166241 is an equidigital number, since it uses as much as digits as its factorization.
7925166241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 181440, while the sum is 43.
The square root of 7925166241 is about 89023.4027714061. The cubic root of 7925166241 is about 1993.7443069697.
The spelling of 7925166241 in words is "seven billion, nine hundred twenty-five million, one hundred sixty-six thousand, two hundred forty-one".
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