Base | Representation |
---|---|
bin | 100110001110… |
… | …010100100011 |
3 | 200212002000222 |
4 | 212032110203 |
5 | 10031121011 |
6 | 554433255 |
7 | 151112132 |
oct | 46162443 |
9 | 20762028 |
10 | 10020131 |
11 | 5724300 |
12 | 343282b |
13 | 20caa94 |
14 | 148b919 |
15 | d2dddb |
hex | 98e523 |
10020131 has 6 divisors (see below), whose sum is σ = 11013996. Its totient is φ = 9109100.
The previous prime is 10020121. The next prime is 10020133. The reversal of 10020131 is 13102001.
It is not a de Polignac number, because 10020131 - 26 = 10020067 is a prime.
It is a super-2 number, since 2×100201312 = 200806050514322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10020133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41285 + ... + 41526.
It is an arithmetic number, because the mean of its divisors is an integer number (1835666).
Almost surely, 210020131 is an apocalyptic number.
10020131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10020131 is a deficient number, since it is larger than the sum of its proper divisors (993865).
10020131 is an equidigital number, since it uses as much as digits as its factorization.
10020131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82833 (or 82822 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 10020131 is about 3165.4590504380. The cubic root of 10020131 is about 215.5879418496.
Adding to 10020131 its reverse (13102001), we get a palindrome (23122132).
The spelling of 10020131 in words is "ten million, twenty thousand, one hundred thirty-one".
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