Base | Representation |
---|---|
bin | 11000101000011011… |
… | …00011100111111111 |
3 | 1021010121021210200202 |
4 | 30110031203213333 |
5 | 204040320444444 |
6 | 10024112114115 |
7 | 645463100600 |
oct | 142415434777 |
9 | 37117253622 |
10 | 13223999999 |
11 | 567666aa21 |
12 | 269083593b |
13 | 132990cc92 |
14 | 8d63d7da7 |
15 | 525e4c34e |
hex | 3143639ff |
13223999999 has 12 divisors (see below), whose sum is σ = 15399491184. Its totient is φ = 11322720864.
The previous prime is 13223999917. The next prime is 13224000007. The reversal of 13223999999 is 99999932231.
It is not a de Polignac number, because 13223999999 - 216 = 13223934463 is a prime.
13223999999 is a modest number, since divided by 999999 gives 13223 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13223999099) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98099 + ... + 189924.
It is an arithmetic number, because the mean of its divisors is an integer number (1283290932).
Almost surely, 213223999999 is an apocalyptic number.
13223999999 is a deficient number, since it is larger than the sum of its proper divisors (2175491185).
13223999999 is an equidigital number, since it uses as much as digits as its factorization.
13223999999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288974 (or 288967 counting only the distinct ones).
The product of its digits is 19131876, while the sum is 65.
The spelling of 13223999999 in words is "thirteen billion, two hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".
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