Base | Representation |
---|---|
bin | 10101001110100000… |
… | …111101100011110001 |
3 | 2011211102100122111212 |
4 | 111032200331203301 |
5 | 333134234200311 |
6 | 14245345445505 |
7 | 1434544440242 |
oct | 251640754361 |
9 | 64742318455 |
10 | 22792100081 |
11 | 9736601153 |
12 | 4501040895 |
13 | 21c2c9a16a |
14 | 1163050cc9 |
15 | 8d5e44c8b |
hex | 54e83d8f1 |
22792100081 has 2 divisors, whose sum is σ = 22792100082. Its totient is φ = 22792100080.
The previous prime is 22792100063. The next prime is 22792100087. The reversal of 22792100081 is 18000129722.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20100150625 + 2691949456 = 141775^2 + 51884^2 .
It is a cyclic number.
It is not a de Polignac number, because 22792100081 - 26 = 22792100017 is a prime.
It is a super-2 number, since 2×227921000812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (22792100087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11396050040 + 11396050041.
It is an arithmetic number, because the mean of its divisors is an integer number (11396050041).
Almost surely, 222792100081 is an apocalyptic number.
It is an amenable number.
22792100081 is a deficient number, since it is larger than the sum of its proper divisors (1).
22792100081 is an equidigital number, since it uses as much as digits as its factorization.
22792100081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 32.
The spelling of 22792100081 in words is "twenty-two billion, seven hundred ninety-two million, one hundred thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •