Base | Representation |
---|---|
bin | 111101000110101110… |
… | …0101101000110011111 |
3 | 110112201002120221022202 |
4 | 1322031130231012133 |
5 | 4122220331143403 |
6 | 140141013402115 |
7 | 12323543465540 |
oct | 1721534550637 |
9 | 415632527282 |
10 | 131222131103 |
11 | 50718521338 |
12 | 2152203933b |
13 | c4b314742b |
14 | 64cb91a4c7 |
15 | 36302c1688 |
hex | 1e8d72d19f |
131222131103 has 16 divisors (see below), whose sum is σ = 156229758720. Its totient is φ = 107872900800.
The previous prime is 131222131093. The next prime is 131222131123. The reversal of 131222131103 is 301131222131.
It is a happy number.
It is not a de Polignac number, because 131222131103 - 214 = 131222114719 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131222131123) 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, 3857813 + ... + 3891678.
It is an arithmetic number, because the mean of its divisors is an integer number (9764359920).
Almost surely, 2131222131103 is an apocalyptic number.
131222131103 is a deficient number, since it is larger than the sum of its proper divisors (25007627617).
131222131103 is an equidigital number, since it uses as much as digits as its factorization.
131222131103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7749598.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131222131103 its reverse (301131222131), we get a palindrome (432353353234).
The spelling of 131222131103 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred three".
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