Base | Representation |
---|---|
bin | 10010110100010111… |
… | …11011111100001011 |
3 | 222002002121020120112 |
4 | 21122023323330023 |
5 | 131142332410011 |
6 | 4350302344535 |
7 | 505235123531 |
oct | 113213737413 |
9 | 28062536515 |
10 | 10103013131 |
11 | 4314984332 |
12 | 1b5b58b14b |
13 | c501475a3 |
14 | 6bbada151 |
15 | 3e1e5a58b |
hex | 25a2fbf0b |
10103013131 has 2 divisors, whose sum is σ = 10103013132. Its totient is φ = 10103013130.
The previous prime is 10103013121. The next prime is 10103013139. The reversal of 10103013131 is 13131030101.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10103013131 is a prime.
It is a super-2 number, since 2×101030131312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10103013139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051506565 + 5051506566.
It is an arithmetic number, because the mean of its divisors is an integer number (5051506566).
Almost surely, 210103013131 is an apocalyptic number.
10103013131 is a deficient number, since it is larger than the sum of its proper divisors (1).
10103013131 is an equidigital number, since it uses as much as digits as its factorization.
10103013131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27, while the sum is 14.
Adding to 10103013131 its reverse (13131030101), we get a palindrome (23234043232).
The spelling of 10103013131 in words is "ten billion, one hundred three million, thirteen thousand, one hundred thirty-one".
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