Base | Representation |
---|---|
bin | 111100001100111… |
… | …000110001011111 |
3 | 2121101111212221101 |
4 | 330030320301133 |
5 | 4032030324411 |
6 | 244120013531 |
7 | 34012645105 |
oct | 7414706137 |
9 | 2541455841 |
10 | 1010011231 |
11 | 479141429 |
12 | 2423012a7 |
13 | 131333ba8 |
14 | 981d5c75 |
15 | 5da0c8c1 |
hex | 3c338c5f |
1010011231 has 2 divisors, whose sum is σ = 1010011232. Its totient is φ = 1010011230.
The previous prime is 1010011229. The next prime is 1010011271. The reversal of 1010011231 is 1321100101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1010011231 - 21 = 1010011229 is a prime.
It is a super-2 number, since 2×10100112312 = 2040245373492270722, which contains 22 as substring.
Together with 1010011229, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1010011271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505005615 + 505005616.
It is an arithmetic number, because the mean of its divisors is an integer number (505005616).
Almost surely, 21010011231 is an apocalyptic number.
1010011231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1010011231 is an equidigital number, since it uses as much as digits as its factorization.
1010011231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1010011231 is about 31780.6738600679. The cubic root of 1010011231 is about 1003.3260024433.
Adding to 1010011231 its reverse (1321100101), we get a palindrome (2331111332).
The spelling of 1010011231 in words is "one billion, ten million, eleven thousand, two hundred thirty-one".
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