Base | Representation |
---|---|
bin | 10010110111101101… |
… | …10010010001100101 |
3 | 222011001022021211012 |
4 | 21123312302101211 |
5 | 131222020213244 |
6 | 4353142552005 |
7 | 506025163025 |
oct | 113366622145 |
9 | 28131267735 |
10 | 10131022949 |
11 | 4329775543 |
12 | 1b68a38605 |
13 | c55ba3748 |
14 | 6c170ba85 |
15 | 3e463e89e |
hex | 25bdb2465 |
10131022949 has 2 divisors, whose sum is σ = 10131022950. Its totient is φ = 10131022948.
The previous prime is 10131022933. The next prime is 10131023039. The reversal of 10131022949 is 94922013101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9580885924 + 550137025 = 97882^2 + 23455^2 .
It is a cyclic number.
It is not a de Polignac number, because 10131022949 - 24 = 10131022933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10131022249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065511474 + 5065511475.
It is an arithmetic number, because the mean of its divisors is an integer number (5065511475).
Almost surely, 210131022949 is an apocalyptic number.
It is an amenable number.
10131022949 is a deficient number, since it is larger than the sum of its proper divisors (1).
10131022949 is an equidigital number, since it uses as much as digits as its factorization.
10131022949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 10131022949 in words is "ten billion, one hundred thirty-one million, twenty-two thousand, nine hundred forty-nine".
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