Base | Representation |
---|---|
bin | 10010101000001001… |
… | …00010110101110101 |
3 | 221210221112120022102 |
4 | 21110010202311311 |
5 | 130440101141041 |
6 | 4332155311445 |
7 | 502551046115 |
oct | 112404426565 |
9 | 27727476272 |
10 | 10000412021 |
11 | 4271a76626 |
12 | 1b3114b585 |
13 | c34b02b82 |
14 | 6ac22d045 |
15 | 3d7e4009b |
hex | 254122d75 |
10000412021 has 4 divisors (see below), whose sum is σ = 10001564844. Its totient is φ = 9999259200.
The previous prime is 10000412011. The next prime is 10000412039. The reversal of 10000412021 is 12021400001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12021400001 = 13 ⋅924723077.
It can be written as a sum of positive squares in 2 ways, for example, as 701667121 + 9298744900 = 26489^2 + 96430^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10000412021 is a prime.
It is a super-2 number, since 2×100004120212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10000411993 and 10000412011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10000412011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563300 + ... + 580781.
It is an arithmetic number, because the mean of its divisors is an integer number (2500391211).
Almost surely, 210000412021 is an apocalyptic number.
It is an amenable number.
10000412021 is a deficient number, since it is larger than the sum of its proper divisors (1152823).
10000412021 is an equidigital number, since it uses as much as digits as its factorization.
10000412021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1152822.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 10000412021 its reverse (12021400001), we get a palindrome (22021812022).
The spelling of 10000412021 in words is "ten billion, four hundred twelve thousand, twenty-one".
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