Base | Representation |
---|---|
bin | 111100111111001… |
… | …111101011000011 |
3 | 2122022100120022011 |
4 | 330333033223003 |
5 | 4043420242402 |
6 | 245310553351 |
7 | 34233106012 |
oct | 7477175303 |
9 | 2568316264 |
10 | 1023212227 |
11 | 485638544 |
12 | 246808857 |
13 | 133ca672b |
14 | 99c70a79 |
15 | 5ec68ed7 |
hex | 3cfcfac3 |
1023212227 has 2 divisors, whose sum is σ = 1023212228. Its totient is φ = 1023212226.
The previous prime is 1023212209. The next prime is 1023212233. The reversal of 1023212227 is 7222123201.
It is a strong prime.
It is an emirp because it is prime and its reverse (7222123201) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1023212227 is a prime.
It is a super-2 number, since 2×10232122272 = 2093926522964599058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1023212198 and 1023212207.
It is not a weakly prime, because it can be changed into another prime (1023212207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511606113 + 511606114.
It is an arithmetic number, because the mean of its divisors is an integer number (511606114).
Almost surely, 21023212227 is an apocalyptic number.
1023212227 is a deficient number, since it is larger than the sum of its proper divisors (1).
1023212227 is an equidigital number, since it uses as much as digits as its factorization.
1023212227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 1023212227 is about 31987.6886786151. The cubic root of 1023212227 is about 1007.6783017869.
Adding to 1023212227 its reverse (7222123201), we get a palindrome (8245335428).
The spelling of 1023212227 in words is "one billion, twenty-three million, two hundred twelve thousand, two hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.143 sec. • engine limits •