Base | Representation |
---|---|
bin | 11101011101001111101… |
… | …01011010000111010111 |
3 | 10120202111022000021202001 |
4 | 32232213311122013113 |
5 | 113040322034011411 |
6 | 2052544553100131 |
7 | 133060413326155 |
oct | 16564765320727 |
9 | 3522438007661 |
10 | 1012133110231 |
11 | 360274833221 |
12 | 1441a93b7647 |
13 | 7459cb976c9 |
14 | 36db79d43d5 |
15 | 1b4dba2bdc1 |
hex | eba7d5a1d7 |
1012133110231 has 2 divisors, whose sum is σ = 1012133110232. Its totient is φ = 1012133110230.
The previous prime is 1012133110229. The next prime is 1012133110321. The reversal of 1012133110231 is 1320113312101.
Together with next prime (1012133110321) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1012133110231 - 21 = 1012133110229 is a prime.
It is a super-2 number, since 2×10121331102312 (a number of 25 digits) contains 22 as substring.
Together with 1012133110229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1012133110199 and 1012133110208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1012133110211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506066555115 + 506066555116.
It is an arithmetic number, because the mean of its divisors is an integer number (506066555116).
Almost surely, 21012133110231 is an apocalyptic number.
1012133110231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012133110231 is an equidigital number, since it uses as much as digits as its factorization.
1012133110231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 1012133110231 its reverse (1320113312101), we get a palindrome (2332246422332).
The spelling of 1012133110231 in words is "one trillion, twelve billion, one hundred thirty-three million, one hundred ten thousand, two hundred thirty-one".
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