Base | Representation |
---|---|
bin | 10100100000000001… |
… | …000111111011010111 |
3 | 2002211001110120010121 |
4 | 110200001013323113 |
5 | 330040033031012 |
6 | 14040121332411 |
7 | 1406322633652 |
oct | 244001077327 |
9 | 62731416117 |
10 | 22012002007 |
11 | 93762239a6 |
12 | 4323937107 |
13 | 20ca494b78 |
14 | 10cb5c6899 |
15 | 88c6eea07 |
hex | 520047ed7 |
22012002007 has 2 divisors, whose sum is σ = 22012002008. Its totient is φ = 22012002006.
The previous prime is 22012001983. The next prime is 22012002013. The reversal of 22012002007 is 70020021022.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22012002007 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22012002107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006001003 + 11006001004.
It is an arithmetic number, because the mean of its divisors is an integer number (11006001004).
Almost surely, 222012002007 is an apocalyptic number.
22012002007 is a deficient number, since it is larger than the sum of its proper divisors (1).
22012002007 is an equidigital number, since it uses as much as digits as its factorization.
22012002007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 16.
Adding to 22012002007 its reverse (70020021022), we get a palindrome (92032023029).
The spelling of 22012002007 in words is "twenty-two billion, twelve million, two thousand, seven".
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