Base | Representation |
---|---|
bin | 101011011111000… |
… | …1010010111011001 |
3 | 10202200121210020122 |
4 | 1112332022113121 |
5 | 10442014322321 |
6 | 400442203025 |
7 | 51105310463 |
oct | 12676122731 |
9 | 3680553218 |
10 | 1459135961 |
11 | 68970a498 |
12 | 3487b3475 |
13 | 1a33b537a |
14 | dbb07133 |
15 | 881768ab |
hex | 56f8a5d9 |
1459135961 has 2 divisors, whose sum is σ = 1459135962. Its totient is φ = 1459135960.
The previous prime is 1459135919. The next prime is 1459135963. The reversal of 1459135961 is 1695319541.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 731161600 + 727974361 = 27040^2 + 26981^2 .
It is a cyclic number.
It is not a de Polignac number, because 1459135961 - 218 = 1458873817 is a prime.
Together with 1459135963, 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 (1459135963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729567980 + 729567981.
It is an arithmetic number, because the mean of its divisors is an integer number (729567981).
Almost surely, 21459135961 is an apocalyptic number.
It is an amenable number.
1459135961 is a deficient number, since it is larger than the sum of its proper divisors (1).
1459135961 is an equidigital number, since it uses as much as digits as its factorization.
1459135961 is an evil number, because the sum of its binary digits is even.
The product of its digits is 145800, while the sum is 44.
The square root of 1459135961 is about 38198.6382087111. The cubic root of 1459135961 is about 1134.2233584111.
The spelling of 1459135961 in words is "one billion, four hundred fifty-nine million, one hundred thirty-five thousand, nine hundred sixty-one".
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