Base | Representation |
---|---|
bin | 1110100100011… |
… | …11110111010001 |
3 | 22111222121220211 |
4 | 13102033313101 |
5 | 222242132311 |
6 | 20043404121 |
7 | 3012613300 |
oct | 722176721 |
9 | 274877824 |
10 | 122224081 |
11 | 62aa0841 |
12 | 34b23641 |
13 | 1c425355 |
14 | 12338437 |
15 | aae4821 |
hex | 748fdd1 |
122224081 has 12 divisors (see below), whose sum is σ = 143129280. Its totient is φ = 104063400.
The previous prime is 122224079. The next prime is 122224097. The reversal of 122224081 is 180422221.
It is not a de Polignac number, because 122224081 - 21 = 122224079 is a prime.
It is a super-2 number, since 2×1222240812 = 29877451952589122, which contains 22 as substring.
It is the 11056-th Hogben number.
It is not an unprimeable number, because it can be changed into a prime (122224381) by changing a digit.
It is a nontrivial repunit in base 11055.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861 + ... + 15658.
It is an arithmetic number, because the mean of its divisors is an integer number (11927440).
Almost surely, 2122224081 is an apocalyptic number.
It is an amenable number.
122224081 is a deficient number, since it is larger than the sum of its proper divisors (20905199).
122224081 is a wasteful number, since it uses less digits than its factorization.
122224081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16684 (or 16677 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 122224081 is about 11055.5000339198. The cubic root of 122224081 is about 496.2710334191.
The spelling of 122224081 in words is "one hundred twenty-two million, two hundred twenty-four thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •