Base | Representation |
---|---|
bin | 1111100111100… |
… | …01011001110110 |
3 | 100010112002222020 |
4 | 13303301121312 |
5 | 232014342324 |
6 | 21000014010 |
7 | 3150404544 |
oct | 763613166 |
9 | 303462866 |
10 | 131012214 |
11 | 67a53463 |
12 | 37a61306 |
13 | 211b1428 |
14 | 13584d94 |
15 | b77d679 |
hex | 7cf1676 |
131012214 has 16 divisors (see below), whose sum is σ = 266466240. Its totient is φ = 42930440.
The previous prime is 131012213. The next prime is 131012249. The reversal of 131012214 is 412210131.
It is a junction number, because it is equal to n+sod(n) for n = 131012193 and 131012202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012213) 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 7 ways as a sum of consecutive naturals, for example, 184692 + ... + 185399.
It is an arithmetic number, because the mean of its divisors is an integer number (16654140).
Almost surely, 2131012214 is an apocalyptic number.
131012214 is an abundant number, since it is smaller than the sum of its proper divisors (135454026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131012214 is a wasteful number, since it uses less digits than its factorization.
131012214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370155.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 131012214 is about 11446.0567008905. The cubic root of 131012214 is about 507.8910915187.
Adding to 131012214 its reverse (412210131), we get a palindrome (543222345).
The spelling of 131012214 in words is "one hundred thirty-one million, twelve thousand, two hundred fourteen".
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