Base | Representation |
---|---|
bin | 1011111101000101101011… |
… | …0111000111101001011010 |
3 | 1201112120021121211210112210 |
4 | 2333101122313013221122 |
5 | 3210323131311340232 |
6 | 43542154413015550 |
7 | 2524426440216246 |
oct | 277213267075132 |
9 | 51476247753483 |
10 | 13144124324442 |
11 | 4208434572931 |
12 | 15835047845b6 |
13 | 744640b4b177 |
14 | 3362712cb426 |
15 | 17bd974da5cc |
hex | bf45adc7a5a |
13144124324442 has 64 divisors (see below), whose sum is σ = 26619847672320. Its totient is φ = 4326391210944.
The previous prime is 13144124324407. The next prime is 13144124324459. The reversal of 13144124324442 is 24442342144131.
It is a happy number.
It is a super-2 number, since 2×131441243244422 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13144124324442.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326274433 + ... + 326314715.
It is an arithmetic number, because the mean of its divisors is an integer number (415935119880).
Almost surely, 213144124324442 is an apocalyptic number.
13144124324442 is an abundant number, since it is smaller than the sum of its proper divisors (13475723347878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13144124324442 is a wasteful number, since it uses less digits than its factorization.
13144124324442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42027.
The product of its digits is 294912, while the sum is 39.
Adding to 13144124324442 its reverse (24442342144131), we get a palindrome (37586466468573).
The spelling of 13144124324442 in words is "thirteen trillion, one hundred forty-four billion, one hundred twenty-four million, three hundred twenty-four thousand, four hundred forty-two".
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