Base | Representation |
---|---|
bin | 10010101010110111… |
… | …11001001100001011 |
3 | 221212112121220120002 |
4 | 21111123321030023 |
5 | 131011431410331 |
6 | 4334334153215 |
7 | 503246505254 |
oct | 112533711413 |
9 | 27775556502 |
10 | 10023310091 |
11 | 4283996253 |
12 | 1b3895280b |
13 | c3978c422 |
14 | 6b12adb2b |
15 | 3d9e649cb |
hex | 2556f930b |
10023310091 has 2 divisors, whose sum is σ = 10023310092. Its totient is φ = 10023310090.
The previous prime is 10023310069. The next prime is 10023310111. The reversal of 10023310091 is 19001332001.
It is an a-pointer prime, because the next prime (10023310111) can be obtained adding 10023310091 to its sum of digits (20).
It is a strong prime.
It is an emirp because it is prime and its reverse (19001332001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10023310091 - 222 = 10019115787 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (10023318091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011655045 + 5011655046.
It is an arithmetic number, because the mean of its divisors is an integer number (5011655046).
Almost surely, 210023310091 is an apocalyptic number.
10023310091 is a deficient number, since it is larger than the sum of its proper divisors (1).
10023310091 is an equidigital number, since it uses as much as digits as its factorization.
10023310091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 10023310091 its reverse (19001332001), we get a palindrome (29024642092).
The spelling of 10023310091 in words is "ten billion, twenty-three million, three hundred ten thousand, ninety-one".
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