Base | Representation |
---|---|
bin | 111001010010000101… |
… | …0100011000111110101 |
3 | 102202112000020202212010 |
4 | 1302210022203013311 |
5 | 4003412402004023 |
6 | 132302254114433 |
7 | 11613245623353 |
oct | 1624412430765 |
9 | 382460222763 |
10 | 123013313013 |
11 | 48195898858 |
12 | 1ba10aaba19 |
13 | b7a5580416 |
14 | 5d4d6167d3 |
15 | 32ee7c9093 |
hex | 1ca42a31f5 |
123013313013 has 16 divisors (see below), whose sum is σ = 167252290560. Its totient is φ = 80399181936.
The previous prime is 123013313011. The next prime is 123013313023. The reversal of 123013313013 is 310313310321.
It is not a de Polignac number, because 123013313013 - 21 = 123013313011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123013313011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881895 + ... + 1011812.
It is an arithmetic number, because the mean of its divisors is an integer number (10453268160).
Almost surely, 2123013313013 is an apocalyptic number.
It is an amenable number.
123013313013 is a deficient number, since it is larger than the sum of its proper divisors (44238977547).
123013313013 is a wasteful number, since it uses less digits than its factorization.
123013313013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1894136.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 123013313013 its reverse (310313310321), we get a palindrome (433326623334).
The spelling of 123013313013 in words is "one hundred twenty-three billion, thirteen million, three hundred thirteen thousand, thirteen".
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