Base | Representation |
---|---|
bin | 11001000000000100… |
… | …11110010110101111 |
3 | 1021122102122122201101 |
4 | 30200002132112233 |
5 | 204442114441143 |
6 | 10055521023531 |
7 | 653422461655 |
oct | 144002362657 |
9 | 37572578641 |
10 | 13422421423 |
11 | 5768674974 |
12 | 2727184ba7 |
13 | 135ba638c8 |
14 | 9148c8dd5 |
15 | 538593b4d |
hex | 32009e5af |
13422421423 has 8 divisors (see below), whose sum is σ = 13598571888. Its totient is φ = 13247404224.
The previous prime is 13422421373. The next prime is 13422421487. The reversal of 13422421423 is 32412422431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13422421423 - 29 = 13422420911 is a prime.
It is a super-2 number, since 2×134224214232 (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 = 13422421391 and 13422421400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13422421823) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259461 + ... + 306862.
It is an arithmetic number, because the mean of its divisors is an integer number (1699821486).
Almost surely, 213422421423 is an apocalyptic number.
13422421423 is a deficient number, since it is larger than the sum of its proper divisors (176150465).
13422421423 is a wasteful number, since it uses less digits than its factorization.
13422421423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 566633.
The product of its digits is 9216, while the sum is 28.
Adding to 13422421423 its reverse (32412422431), we get a palindrome (45834843854).
The spelling of 13422421423 in words is "thirteen billion, four hundred twenty-two million, four hundred twenty-one thousand, four hundred twenty-three".
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