Base | Representation |
---|---|
bin | 10011000101001101… |
… | …00111000110111101 |
3 | 222102221022110200021 |
4 | 21202212213012331 |
5 | 131440010122141 |
6 | 4412305132141 |
7 | 511601314405 |
oct | 114246470675 |
9 | 28387273607 |
10 | 10244223421 |
11 | 4387662753 |
12 | 1b9a92a051 |
13 | c73489783 |
14 | 6d2777805 |
15 | 3ee5506d1 |
hex | 2629a71bd |
10244223421 has 4 divisors (see below), whose sum is σ = 10254645792. Its totient is φ = 10233801052.
The previous prime is 10244223383. The next prime is 10244223487. The reversal of 10244223421 is 12432244201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10244223421 - 219 = 10243699133 is a prime.
It is a super-2 number, since 2×102442234212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10244223491) 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, 5209711 + ... + 5211676.
It is an arithmetic number, because the mean of its divisors is an integer number (2563661448).
Almost surely, 210244223421 is an apocalyptic number.
It is an amenable number.
10244223421 is a deficient number, since it is larger than the sum of its proper divisors (10422371).
10244223421 is an equidigital number, since it uses as much as digits as its factorization.
10244223421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10422370.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 10244223421 its reverse (12432244201), we get a palindrome (22676467622).
The spelling of 10244223421 in words is "ten billion, two hundred forty-four million, two hundred twenty-three thousand, four hundred twenty-one".
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