Base | Representation |
---|---|
bin | 1010011111011111011… |
… | …0111011010010101010 |
3 | 122020021001222212120122 |
4 | 2213313312323102222 |
5 | 10423124004430442 |
6 | 214450122323242 |
7 | 16010545655543 |
oct | 2476766732252 |
9 | 566231885518 |
10 | 180252030122 |
11 | 6a49863213a |
12 | 2ab26059522 |
13 | 13cc7c17cb8 |
14 | 8a1d4834ca |
15 | 4a4e8dddd2 |
hex | 29f7dbb4aa |
180252030122 has 4 divisors (see below), whose sum is σ = 270378045186. Its totient is φ = 90126015060.
The previous prime is 180252030121. The next prime is 180252030131. The reversal of 180252030122 is 221030252081.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221030252081 = 59 ⋅3746275459.
It can be written as a sum of positive squares in only one way, i.e., 152319258961 + 27932771161 = 390281^2 + 167131^2 .
It is a junction number, because it is equal to n+sod(n) for n = 180252030091 and 180252030100.
It is not an unprimeable number, because it can be changed into a prime (180252030121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45063007529 + ... + 45063007532.
Almost surely, 2180252030122 is an apocalyptic number.
180252030122 is a deficient number, since it is larger than the sum of its proper divisors (90126015064).
180252030122 is an equidigital number, since it uses as much as digits as its factorization.
180252030122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90126015063.
The product of its (nonzero) digits is 1920, while the sum is 26.
The spelling of 180252030122 in words is "one hundred eighty billion, two hundred fifty-two million, thirty thousand, one hundred twenty-two".
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