Base | Representation |
---|---|
bin | 1101000101000111… |
… | …01001011011010101 |
3 | 200010101112210021202 |
4 | 12202203221123111 |
5 | 103340142033023 |
6 | 3120450322245 |
7 | 336005615363 |
oct | 64243513325 |
9 | 20111483252 |
10 | 7022221013 |
11 | 2a83951645 |
12 | 143b889385 |
13 | 87bab6282 |
14 | 4a88a2633 |
15 | 2b1758128 |
hex | 1a28e96d5 |
7022221013 has 2 divisors, whose sum is σ = 7022221014. Its totient is φ = 7022221012.
The previous prime is 7022220977. The next prime is 7022221027. The reversal of 7022221013 is 3101222207.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6568616209 + 453604804 = 81047^2 + 21298^2 .
It is a cyclic number.
It is not a de Polignac number, because 7022221013 - 26 = 7022220949 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7022227013) 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, 3511110506 + 3511110507.
It is an arithmetic number, because the mean of its divisors is an integer number (3511110507).
Almost surely, 27022221013 is an apocalyptic number.
It is an amenable number.
7022221013 is a deficient number, since it is larger than the sum of its proper divisors (1).
7022221013 is an equidigital number, since it uses as much as digits as its factorization.
7022221013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 7022221013 is about 83798.6933848017. The cubic root of 7022221013 is about 1914.9532003461.
The spelling of 7022221013 in words is "seven billion, twenty-two million, two hundred twenty-one thousand, thirteen".
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