Base | Representation |
---|---|
bin | 1101010001011110… |
… | …10111111011111101 |
3 | 200101121202012020002 |
4 | 12220233113323331 |
5 | 104043221132042 |
6 | 3135034004045 |
7 | 341405434625 |
oct | 65057277375 |
9 | 20347665202 |
10 | 7125958397 |
11 | 3027466018 |
12 | 146a576625 |
13 | 897437c3c |
14 | 4b8587885 |
15 | 2ba8ea132 |
hex | 1a8bd7efd |
7125958397 has 2 divisors, whose sum is σ = 7125958398. Its totient is φ = 7125958396.
The previous prime is 7125958339. The next prime is 7125958423. The reversal of 7125958397 is 7938595217.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7013895001 + 112063396 = 83749^2 + 10586^2 .
It is a cyclic number.
It is not a de Polignac number, because 7125958397 - 210 = 7125957373 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7125958297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562979198 + 3562979199.
It is an arithmetic number, because the mean of its divisors is an integer number (3562979199).
Almost surely, 27125958397 is an apocalyptic number.
It is an amenable number.
7125958397 is a deficient number, since it is larger than the sum of its proper divisors (1).
7125958397 is an equidigital number, since it uses as much as digits as its factorization.
7125958397 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4762800, while the sum is 56.
The square root of 7125958397 is about 84415.3919436497. The cubic root of 7125958397 is about 1924.3368399442.
The spelling of 7125958397 in words is "seven billion, one hundred twenty-five million, nine hundred fifty-eight thousand, three hundred ninety-seven".
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