Base | Representation |
---|---|
bin | 10010110110111001… |
… | …10110011110100101 |
3 | 222010120111212222212 |
4 | 21123130312132211 |
5 | 131213300140141 |
6 | 4352341133205 |
7 | 505613326163 |
oct | 113334663645 |
9 | 28116455885 |
10 | 10124224421 |
11 | 4325951723 |
12 | 1b666ba205 |
13 | c5466314c |
14 | 6c085c233 |
15 | 3e3c4a2eb |
hex | 25b7367a5 |
10124224421 has 4 divisors (see below), whose sum is σ = 10719767052. Its totient is φ = 9528681792.
The previous prime is 10124224403. The next prime is 10124224441. The reversal of 10124224421 is 12442242101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12442242101 = 103 ⋅120798467.
It can be written as a sum of positive squares in 2 ways, for example, as 7994863396 + 2129361025 = 89414^2 + 46145^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10124224421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10124224441) 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, 297771290 + ... + 297771323.
It is an arithmetic number, because the mean of its divisors is an integer number (2679941763).
Almost surely, 210124224421 is an apocalyptic number.
It is an amenable number.
10124224421 is a deficient number, since it is larger than the sum of its proper divisors (595542631).
10124224421 is an equidigital number, since it uses as much as digits as its factorization.
10124224421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 595542630.
The product of its (nonzero) digits is 1024, while the sum is 23.
Adding to 10124224421 its reverse (12442242101), we get a palindrome (22566466522).
The spelling of 10124224421 in words is "ten billion, one hundred twenty-four million, two hundred twenty-four thousand, four hundred twenty-one".
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