Base | Representation |
---|---|
bin | 111101000110101110… |
… | …1011011111101011001 |
3 | 110112201002221200121021 |
4 | 1322031131123331121 |
5 | 4122220403314113 |
6 | 140141021442441 |
7 | 12323545225234 |
oct | 1721535337531 |
9 | 415632850537 |
10 | 131222323033 |
11 | 5071864255a |
12 | 21522110421 |
13 | c4b31b38b9 |
14 | 64cb96a41b |
15 | 363030d48d |
hex | 1e8d75bf59 |
131222323033 has 16 divisors (see below), whose sum is σ = 134733931200. Its totient is φ = 127732340736.
The previous prime is 131222323031. The next prime is 131222323051. The reversal of 131222323033 is 330323222131.
It is not a de Polignac number, because 131222323033 - 21 = 131222323031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131222322989 and 131222323007.
It is not an unprimeable number, because it can be changed into a prime (131222323031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18280141 + ... + 18287317.
It is an arithmetic number, because the mean of its divisors is an integer number (8420870700).
Almost surely, 2131222323033 is an apocalyptic number.
It is an amenable number.
131222323033 is a deficient number, since it is larger than the sum of its proper divisors (3511608167).
131222323033 is an equidigital number, since it uses as much as digits as its factorization.
131222323033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8616.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 131222323033 its reverse (330323222131), we get a palindrome (461545545164).
The spelling of 131222323033 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty-three thousand, thirty-three".
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