Base | Representation |
---|---|
bin | 101000100101101… |
… | …1101011000011011 |
3 | 10111220202122201201 |
4 | 1101023131120123 |
5 | 10242130132202 |
6 | 343051255031 |
7 | 45515312164 |
oct | 12113353033 |
9 | 3456678651 |
10 | 1361958427 |
11 | 639876585 |
12 | 32014a477 |
13 | 18921c47b |
14 | ccc4c76b |
15 | 7e87d387 |
hex | 512dd61b |
1361958427 has 2 divisors, whose sum is σ = 1361958428. Its totient is φ = 1361958426.
The previous prime is 1361958401. The next prime is 1361958449. The reversal of 1361958427 is 7248591631.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1361958427 is a prime.
It is not a weakly prime, because it can be changed into another prime (1361958457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680979213 + 680979214.
It is an arithmetic number, because the mean of its divisors is an integer number (680979214).
Almost surely, 21361958427 is an apocalyptic number.
1361958427 is a deficient number, since it is larger than the sum of its proper divisors (1).
1361958427 is an equidigital number, since it uses as much as digits as its factorization.
1361958427 is an evil number, because the sum of its binary digits is even.
The product of its digits is 362880, while the sum is 46.
The square root of 1361958427 is about 36904.7209310679. The cubic root of 1361958427 is about 1108.4632108050.
The spelling of 1361958427 in words is "one billion, three hundred sixty-one million, nine hundred fifty-eight thousand, four hundred twenty-seven".
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