Base | Representation |
---|---|
bin | 111101000100011010… |
… | …0010101100110010010 |
3 | 110112111200101211110021 |
4 | 1322020310111212102 |
5 | 4122040434041320 |
6 | 140125200254054 |
7 | 12321611230510 |
oct | 1721064254622 |
9 | 415450354407 |
10 | 131144440210 |
11 | 50688687a93 |
12 | 2150001132a |
13 | c4a00150a4 |
14 | 64c14954b0 |
15 | 3628576daa |
hex | 1e88d15992 |
131144440210 has 64 divisors (see below), whose sum is σ = 277160083200. Its totient is φ = 43735023360.
The previous prime is 131144440201. The next prime is 131144440211. The reversal of 131144440210 is 12044441131.
It is not an unprimeable number, because it can be changed into a prime (131144440211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11776345 + ... + 11787475.
It is an arithmetic number, because the mean of its divisors is an integer number (4330626300).
Almost surely, 2131144440210 is an apocalyptic number.
131144440210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131144440210 is an abundant number, since it is smaller than the sum of its proper divisors (146015642990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131144440210 is a wasteful number, since it uses less digits than its factorization.
131144440210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15731.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 131144440210 its reverse (12044441131), we get a palindrome (143188881341).
The spelling of 131144440210 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred forty thousand, two hundred ten".
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