Base | Representation |
---|---|
bin | 1111100111110… |
… | …01001101110010 |
3 | 100010120201212021 |
4 | 13303321031302 |
5 | 232021403320 |
6 | 21000422054 |
7 | 3150600043 |
oct | 763711562 |
9 | 303521767 |
10 | 131044210 |
11 | 67a75500 |
12 | 37a7792a |
13 | 211c2b6b |
14 | 135928ca |
15 | b787daa |
hex | 7cf9372 |
131044210 has 24 divisors (see below), whose sum is σ = 259274988. Its totient is φ = 47652000.
The previous prime is 131044189. The next prime is 131044219. The reversal of 131044210 is 12440131.
It can be written as a sum of positive squares in 2 ways, for example, as 126630009 + 4414201 = 11253^2 + 2101^2 .
It is not an unprimeable number, because it can be changed into a prime (131044219) 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 11 ways as a sum of consecutive naturals, for example, 52941 + ... + 55360.
Almost surely, 2131044210 is an apocalyptic number.
131044210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131044210 is a deficient number, since it is larger than the sum of its proper divisors (128230778).
131044210 is a wasteful number, since it uses less digits than its factorization.
131044210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108330 (or 108319 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 131044210 is about 11447.4543021582. The cubic root of 131044210 is about 507.9324341288.
Adding to 131044210 its reverse (12440131), we get a palindrome (143484341).
The spelling of 131044210 in words is "one hundred thirty-one million, forty-four thousand, two hundred ten".
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