Search a number
-
+
10000412021 = 87411144081
BaseRepresentation
bin10010101000001001…
…00010110101110101
3221210221112120022102
421110010202311311
5130440101141041
64332155311445
7502551046115
oct112404426565
927727476272
1010000412021
114271a76626
121b3114b585
13c34b02b82
146ac22d045
153d7e4009b
hex254122d75

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 = 13924723077.

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".

Divisors: 1 8741 1144081 10000412021