Base | Representation |
---|---|
bin | 1110100101010… |
… | …01111111111100 |
3 | 22112012001202200 |
4 | 13102221333330 |
5 | 222304044012 |
6 | 20045551500 |
7 | 3013540350 |
oct | 722517774 |
9 | 275161680 |
10 | 122331132 |
11 | 63064210 |
12 | 34b75590 |
13 | 1c461cb1 |
14 | 12365460 |
15 | ab163dc |
hex | 74a9ffc |
122331132 has 72 divisors (see below), whose sum is σ = 385537152. Its totient is φ = 31773600.
The previous prime is 122331119. The next prime is 122331149. The reversal of 122331132 is 231133221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19294 + ... + 24837.
Almost surely, 2122331132 is an apocalyptic number.
122331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122331132 is an abundant number, since it is smaller than the sum of its proper divisors (263206020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122331132 is a wasteful number, since it uses less digits than its factorization.
122331132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44159 (or 44154 counting only the distinct ones).
The product of its digits is 216, while the sum is 18.
The square root of 122331132 is about 11060.3405010877. The cubic root of 122331132 is about 496.4158788733.
Adding to 122331132 its reverse (231133221), we get a palindrome (353464353).
The spelling of 122331132 in words is "one hundred twenty-two million, three hundred thirty-one thousand, one hundred thirty-two".
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