Base | Representation |
---|---|
bin | 11000101000001110… |
… | …11110010101000101 |
3 | 1021010111021210101012 |
4 | 30110013132111011 |
5 | 204034413433240 |
6 | 10024014012005 |
7 | 645443410004 |
oct | 142407362505 |
9 | 37114253335 |
10 | 13222405445 |
11 | 5675780a07 |
12 | 26901a7005 |
13 | 13294a2262 |
14 | 8d6100c3b |
15 | 525c34b65 |
hex | 3141de545 |
13222405445 has 16 divisors (see below), whose sum is σ = 16367726208. Its totient is φ = 10249208640.
The previous prime is 13222405423. The next prime is 13222405477. The reversal of 13222405445 is 54450422231.
It is not a de Polignac number, because 13222405445 - 212 = 13222401349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303089 + ... + 343958.
It is an arithmetic number, because the mean of its divisors is an integer number (1022982888).
Almost surely, 213222405445 is an apocalyptic number.
It is an amenable number.
13222405445 is a deficient number, since it is larger than the sum of its proper divisors (3145320763).
13222405445 is an equidigital number, since it uses as much as digits as its factorization.
13222405445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 647180.
The product of its (nonzero) digits is 38400, while the sum is 32.
Adding to 13222405445 its reverse (54450422231), we get a palindrome (67672827676).
The spelling of 13222405445 in words is "thirteen billion, two hundred twenty-two million, four hundred five thousand, four hundred forty-five".
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