Base | Representation |
---|---|
bin | 10011010110100101… |
… | …00010111011011001 |
3 | 222211002112120102122 |
4 | 21223102202323121 |
5 | 132234312131421 |
6 | 4434552511025 |
7 | 515321121536 |
oct | 115322427331 |
9 | 28732476378 |
10 | 10389958361 |
11 | 4451951552 |
12 | 201b6ab475 |
13 | c97724273 |
14 | 707c71d8d |
15 | 40c23b2ab |
hex | 26b4a2ed9 |
10389958361 has 2 divisors, whose sum is σ = 10389958362. Its totient is φ = 10389958360.
The previous prime is 10389958339. The next prime is 10389958363. The reversal of 10389958361 is 16385998301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5411809225 + 4978149136 = 73565^2 + 70556^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10389958361 is a prime.
Together with 10389958363, 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 (10389958363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5194979180 + 5194979181.
It is an arithmetic number, because the mean of its divisors is an integer number (5194979181).
Almost surely, 210389958361 is an apocalyptic number.
It is an amenable number.
10389958361 is a deficient number, since it is larger than the sum of its proper divisors (1).
10389958361 is an equidigital number, since it uses as much as digits as its factorization.
10389958361 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1399680, while the sum is 53.
The spelling of 10389958361 in words is "ten billion, three hundred eighty-nine million, nine hundred fifty-eight thousand, three hundred sixty-one".
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