Base | Representation |
---|---|
bin | 11000100111001111… |
… | …11101011010001110 |
3 | 1021002220202002000000 |
4 | 30103213331122032 |
5 | 204030310103032 |
6 | 10023120545130 |
7 | 645313241403 |
oct | 142347753216 |
9 | 37086662000 |
10 | 13214144142 |
11 | 5671049091 |
12 | 26894821a6 |
13 | 132786bc04 |
14 | 8d4d902aa |
15 | 525151e7c |
hex | 3139fd68e |
13214144142 has 56 divisors (see below), whose sum is σ = 29742497400. Its totient is φ = 4401118800.
The previous prime is 13214144137. The next prime is 13214144179. The reversal of 13214144142 is 24144141231.
13214144142 is a `hidden beast` number, since 1 + 3 + 214 + 1 + 441 + 4 + 2 = 666.
It is a super-2 number, since 2×132141441422 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2255517 + ... + 2261367.
It is an arithmetic number, because the mean of its divisors is an integer number (531116025).
Almost surely, 213214144142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13214144142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14871248700).
13214144142 is an abundant number, since it is smaller than the sum of its proper divisors (16528353258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13214144142 is an equidigital number, since it uses as much as digits as its factorization.
13214144142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7420 (or 7405 counting only the distinct ones).
The product of its digits is 3072, while the sum is 27.
Adding to 13214144142 its reverse (24144141231), we get a palindrome (37358285373).
The spelling of 13214144142 in words is "thirteen billion, two hundred fourteen million, one hundred forty-four thousand, one hundred forty-two".
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