Base | Representation |
---|---|
bin | 1110100011101… |
… | …10111111000110 |
3 | 22111210110010210 |
4 | 13101312333012 |
5 | 222230402212 |
6 | 20041300250 |
7 | 3012010230 |
oct | 721667706 |
9 | 274713123 |
10 | 122122182 |
11 | 62a31226 |
12 | 34a94686 |
13 | 1c3bab60 |
14 | 1230d250 |
15 | aac453c |
hex | 7476fc6 |
122122182 has 32 divisors (see below), whose sum is σ = 300609792. Its totient is φ = 32207904.
The previous prime is 122122181. The next prime is 122122241. The reversal of 122122182 is 281221221.
It is a super-2 number, since 2×1221221822 = 29827654672882248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122122181) 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 in 15 ways as a sum of consecutive naturals, for example, 111288 + ... + 112379.
It is an arithmetic number, because the mean of its divisors is an integer number (9394056).
Almost surely, 2122122182 is an apocalyptic number.
122122182 is an abundant number, since it is smaller than the sum of its proper divisors (178487610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122122182 is a wasteful number, since it uses less digits than its factorization.
122122182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223692.
The product of its digits is 256, while the sum is 21.
The square root of 122122182 is about 11050.8905523492. The cubic root of 122122182 is about 496.1330802937.
The spelling of 122122182 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred eighty-two".
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