Base | Representation |
---|---|
bin | 1111101001000… |
… | …00101110010010 |
3 | 100010212221211202 |
4 | 13310200232102 |
5 | 232042043114 |
6 | 21004111202 |
7 | 3152142611 |
oct | 764405622 |
9 | 303787752 |
10 | 131206034 |
11 | 68076043 |
12 | 37b35502 |
13 | 2124b70b |
14 | 135d5878 |
15 | b7bacde |
hex | 7d20b92 |
131206034 has 16 divisors (see below), whose sum is σ = 215573400. Its totient is φ = 59614464.
The previous prime is 131205989. The next prime is 131206037. The reversal of 131206034 is 430602131.
It can be written as a sum of positive squares in 4 ways, for example, as 131033809 + 172225 = 11447^2 + 415^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 131205997 and 131206015.
It is not an unprimeable number, because it can be changed into a prime (131206037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65549 + ... + 67520.
Almost surely, 2131206034 is an apocalyptic number.
131206034 is a deficient number, since it is larger than the sum of its proper divisors (84367366).
131206034 is a wasteful number, since it uses less digits than its factorization.
131206034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133117.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 131206034 is about 11454.5202431180. The cubic root of 131206034 is about 508.1414268228.
Adding to 131206034 its reverse (430602131), we get a palindrome (561808165).
The spelling of 131206034 in words is "one hundred thirty-one million, two hundred six thousand, thirty-four".
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