Base | Representation |
---|---|
bin | 111100001101010… |
… | …011011000100111 |
3 | 2121101201102110102 |
4 | 330031103120213 |
5 | 4032042321411 |
6 | 244122214315 |
7 | 34013610641 |
oct | 7415233047 |
9 | 2541642412 |
10 | 1010120231 |
11 | 47920630a |
12 | 24235439b |
13 | 1313716a3 |
14 | 98223891 |
15 | 5da2ed3b |
hex | 3c353627 |
1010120231 has 2 divisors, whose sum is σ = 1010120232. Its totient is φ = 1010120230.
The previous prime is 1010120159. The next prime is 1010120261. The reversal of 1010120231 is 1320210101.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1010120231 - 210 = 1010119207 is a prime.
It is a super-2 number, since 2×10101202312 = 2040685762150986722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1010120261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060115 + 505060116.
It is an arithmetic number, because the mean of its divisors is an integer number (505060116).
Almost surely, 21010120231 is an apocalyptic number.
1010120231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1010120231 is an equidigital number, since it uses as much as digits as its factorization.
1010120231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1010120231 is about 31782.3886924819. The cubic root of 1010120231 is about 1003.3620939893.
Adding to 1010120231 its reverse (1320210101), we get a palindrome (2330330332).
The spelling of 1010120231 in words is "one billion, ten million, one hundred twenty thousand, two hundred thirty-one".
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