Base | Representation |
---|---|
bin | 111101000110101110… |
… | …1000101010100111010 |
3 | 110112201002202222102211 |
4 | 1322031131011110322 |
5 | 4122220342332310 |
6 | 140141015445334 |
7 | 12323544361042 |
oct | 1721535052472 |
9 | 415632688384 |
10 | 131222230330 |
11 | 50718589944 |
12 | 2152208684a |
13 | c4b3180649 |
14 | 64cb944722 |
15 | 36302e0c8a |
hex | 1e8d74553a |
131222230330 has 8 divisors (see below), whose sum is σ = 236200014612. Its totient is φ = 52488892128.
The previous prime is 131222230319. The next prime is 131222230421. The reversal of 131222230330 is 33032222131.
It can be written as a sum of positive squares in 2 ways, for example, as 121192408129 + 10029822201 = 348127^2 + 100149^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561111507 + ... + 6561111526.
Almost surely, 2131222230330 is an apocalyptic number.
131222230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131222230330 is a deficient number, since it is larger than the sum of its proper divisors (104977784282).
131222230330 is a wasteful number, since it uses less digits than its factorization.
131222230330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13122223040.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 131222230330 its reverse (33032222131), we get a palindrome (164254452461).
The spelling of 131222230330 in words is "one hundred thirty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred thirty".
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