Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0100111110011100100 |
3 | 102200110011212001000102 |
4 | 1301310122213303210 |
5 | 4000242312021012 |
6 | 132051000003232 |
7 | 11554350505532 |
oct | 1616432476344 |
9 | 380404761012 |
10 | 122212220132 |
11 | 47914680922 |
12 | 1b828760518 |
13 | b6a8606c72 |
14 | 5cb5085152 |
15 | 32a42d82c2 |
hex | 1c746a7ce4 |
122212220132 has 12 divisors (see below), whose sum is σ = 213873893436. Its totient is φ = 61105393440.
The previous prime is 122212220131. The next prime is 122212220153. The reversal of 122212220132 is 231022212221.
It can be written as a sum of positive squares in 2 ways, for example, as 56427151936 + 65785068196 = 237544^2 + 256486^2 .
It is not an unprimeable number, because it can be changed into a prime (122212220131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450218 + ... + 668670.
It is an arithmetic number, because the mean of its divisors is an integer number (17822824453).
Almost surely, 2122212220132 is an apocalyptic number.
It is an amenable number.
122212220132 is a deficient number, since it is larger than the sum of its proper divisors (91661673304).
122212220132 is a wasteful number, since it uses less digits than its factorization.
122212220132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358318 (or 358316 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 122212220132 its reverse (231022212221), we get a palindrome (353234432353).
The spelling of 122212220132 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred thirty-two".
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