Base | Representation |
---|---|
bin | 11000101000010110… |
… | …10100001011000111 |
3 | 1021010120011221200200 |
4 | 30110023110023013 |
5 | 204040143144143 |
6 | 10024051341543 |
7 | 645455102544 |
oct | 142413241307 |
9 | 37116157620 |
10 | 13223412423 |
11 | 56762a9521 |
12 | 26905b18b3 |
13 | 13297656c0 |
14 | 8d62c3bcb |
15 | 525d831d3 |
hex | 3142d42c7 |
13223412423 has 48 divisors (see below), whose sum is σ = 20718996480. Its totient is φ = 8078694912.
The previous prime is 13223412407. The next prime is 13223412443. The reversal of 13223412423 is 32421432231.
13223412423 is a `hidden beast` number, since 1 + 3 + 2 + 234 + 1 + 2 + 423 = 666.
It is not a de Polignac number, because 13223412423 - 24 = 13223412407 is a prime.
It is a super-2 number, since 2×132234124232 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13223412443) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12053611 + ... + 12054707.
It is an arithmetic number, because the mean of its divisors is an integer number (431645760).
Almost surely, 213223412423 is an apocalyptic number.
13223412423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13223412423 is a deficient number, since it is larger than the sum of its proper divisors (7495584057).
13223412423 is a wasteful number, since it uses less digits than its factorization.
13223412423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1768 (or 1765 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
Adding to 13223412423 its reverse (32421432231), we get a palindrome (45644844654).
The spelling of 13223412423 in words is "thirteen billion, two hundred twenty-three million, four hundred twelve thousand, four hundred twenty-three".
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