Base | Representation |
---|---|
bin | 10100101100100011… |
… | …000010111101010011 |
3 | 2010100201000210120101 |
4 | 110230203002331103 |
5 | 331002342034024 |
6 | 14113031153231 |
7 | 1414454522506 |
oct | 245443027523 |
9 | 63321023511 |
10 | 22222221139 |
11 | 9473956718 |
12 | 4382215817 |
13 | 2131bb96a1 |
14 | 110b4a913d |
15 | 8a0dc6c44 |
hex | 52c8c2f53 |
22222221139 has 2 divisors, whose sum is σ = 22222221140. Its totient is φ = 22222221138.
The previous prime is 22222221083. The next prime is 22222221149. The reversal of 22222221139 is 93112222222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22222221139 - 211 = 22222219091 is a prime.
It is a super-2 number, since 2×222222211392 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (22222221149) 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, 11111110569 + 11111110570.
It is an arithmetic number, because the mean of its divisors is an integer number (11111110570).
Almost surely, 222222221139 is an apocalyptic number.
22222221139 is a deficient number, since it is larger than the sum of its proper divisors (1).
22222221139 is an equidigital number, since it uses as much as digits as its factorization.
22222221139 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 28.
The spelling of 22222221139 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •