Base | Representation |
---|---|
bin | 10010110110101010… |
… | …01111110101100011 |
3 | 222010102202121201121 |
4 | 21123111033311203 |
5 | 131212242344024 |
6 | 4352230313111 |
7 | 505560354646 |
oct | 113325176543 |
9 | 28112677647 |
10 | 10122231139 |
11 | 4324810089 |
12 | 1b65ab8797 |
13 | c54115aa7 |
14 | 6c049da5d |
15 | 3e39a48e4 |
hex | 25b54fd63 |
10122231139 has 2 divisors, whose sum is σ = 10122231140. Its totient is φ = 10122231138.
The previous prime is 10122231131. The next prime is 10122231143. The reversal of 10122231139 is 93113222101.
It is a strong prime.
It is an emirp because it is prime and its reverse (93113222101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10122231139 - 23 = 10122231131 is a prime.
It is not a weakly prime, because it can be changed into another prime (10122231131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061115569 + 5061115570.
It is an arithmetic number, because the mean of its divisors is an integer number (5061115570).
Almost surely, 210122231139 is an apocalyptic number.
10122231139 is a deficient number, since it is larger than the sum of its proper divisors (1).
10122231139 is an equidigital number, since it uses as much as digits as its factorization.
10122231139 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 25.
The spelling of 10122231139 in words is "ten billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-nine".
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