Base | Representation |
---|---|
bin | 10001110000010011101… |
… | …100000001101000000111 |
3 | 11022122021221022201211212 |
4 | 101300103230001220013 |
5 | 124442231330121132 |
6 | 2332301235122035 |
7 | 154102145361251 |
oct | 21602354015007 |
9 | 4278257281755 |
10 | 1220101020167 |
11 | 430495244057 |
12 | 17856944331b |
13 | 8b093ba2593 |
14 | 430a5dc8cd1 |
15 | 21b0e75d5b2 |
hex | 11c13b01a07 |
1220101020167 has 2 divisors, whose sum is σ = 1220101020168. Its totient is φ = 1220101020166.
The previous prime is 1220101020163. The next prime is 1220101020227. The reversal of 1220101020167 is 7610201010221.
It is a weak prime.
It is an emirp because it is prime and its reverse (7610201010221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1220101020167 - 22 = 1220101020163 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1220101020163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050510083 + 610050510084.
It is an arithmetic number, because the mean of its divisors is an integer number (610050510084).
Almost surely, 21220101020167 is an apocalyptic number.
1220101020167 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220101020167 is an equidigital number, since it uses as much as digits as its factorization.
1220101020167 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 23.
Adding to 1220101020167 its reverse (7610201010221), we get a palindrome (8830302030388).
The spelling of 1220101020167 in words is "one trillion, two hundred twenty billion, one hundred one million, twenty thousand, one hundred sixty-seven".
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