Base | Representation |
---|---|
bin | 111000110110110111… |
… | …0101001111101100100 |
3 | 102200011100202020220200 |
4 | 1301231232221331210 |
5 | 4000030102000312 |
6 | 132031511230500 |
7 | 11551516066506 |
oct | 1615556517544 |
9 | 380140666820 |
10 | 122100031332 |
11 | 47867314804 |
12 | 1b7b7078430 |
13 | b68b2b6566 |
14 | 5ca41ddd76 |
15 | 32995270dc |
hex | 1c6dba9f64 |
122100031332 has 36 divisors (see below), whose sum is σ = 319284567420. Its totient is φ = 39296561472.
The previous prime is 122100031331. The next prime is 122100031351. The reversal of 122100031332 is 233130001221.
It can be written as a sum of positive squares in 2 ways, for example, as 89870446656 + 32229584676 = 299784^2 + 179526^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (122100031331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58475983 + ... + 58478070.
Almost surely, 2122100031332 is an apocalyptic number.
122100031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122100031332 is an abundant number, since it is smaller than the sum of its proper divisors (197184536088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122100031332 is a wasteful number, since it uses less digits than its factorization.
122100031332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116954092 (or 116954087 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 122100031332 its reverse (233130001221), we get a palindrome (355230032553).
The spelling of 122100031332 in words is "one hundred twenty-two billion, one hundred million, thirty-one thousand, three hundred thirty-two".
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