Base | Representation |
---|---|
bin | 111100010101011… |
… | …001110000011001 |
3 | 2121112201022000022 |
4 | 330111121300121 |
5 | 4033113242411 |
6 | 244235520225 |
7 | 34040633114 |
oct | 7425316031 |
9 | 2545638008 |
10 | 1012243481 |
11 | 47a426567 |
12 | 242bb9075 |
13 | 131935c52 |
14 | 9861757b |
15 | 5dcededb |
hex | 3c559c19 |
1012243481 has 2 divisors, whose sum is σ = 1012243482. Its totient is φ = 1012243480.
The previous prime is 1012243469. The next prime is 1012243523. The reversal of 1012243481 is 1843422101.
1012243481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1007491081 + 4752400 = 31741^2 + 2180^2 .
It is a cyclic number.
It is not a de Polignac number, because 1012243481 - 26 = 1012243417 is a prime.
It is a super-2 number, since 2×10122434812 = 2049273729653994722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1012243481.
It is not a weakly prime, because it can be changed into another prime (1012243181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506121740 + 506121741.
It is an arithmetic number, because the mean of its divisors is an integer number (506121741).
Almost surely, 21012243481 is an apocalyptic number.
It is an amenable number.
1012243481 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012243481 is an equidigital number, since it uses as much as digits as its factorization.
1012243481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 1012243481 is about 31815.7740908500. The cubic root of 1012243481 is about 1004.0646168393.
Adding to 1012243481 its reverse (1843422101), we get a palindrome (2855665582).
The spelling of 1012243481 in words is "one billion, twelve million, two hundred forty-three thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •