Base | Representation |
---|---|
bin | 11000010011111011… |
… | …10110111000110110 |
3 | 1020200121212000021210 |
4 | 30021331312320312 |
5 | 203212320044223 |
6 | 5555052022250 |
7 | 641305060641 |
oct | 141175667066 |
9 | 36617760253 |
10 | 13052112438 |
11 | 5598639292 |
12 | 2643161986 |
13 | 1300119771 |
14 | 8bb652a58 |
15 | 515ce7893 |
hex | 309f76e36 |
13052112438 has 16 divisors (see below), whose sum is σ = 26110768320. Its totient is φ = 4349613576.
The previous prime is 13052112433. The next prime is 13052112439. The reversal of 13052112438 is 83421125031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13052112431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246520 + ... + 294747.
It is an arithmetic number, because the mean of its divisors is an integer number (1631923020).
Almost surely, 213052112438 is an apocalyptic number.
13052112438 is an abundant number, since it is smaller than the sum of its proper divisors (13058655882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13052112438 is a wasteful number, since it uses less digits than its factorization.
13052112438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545291.
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 13052112438 its reverse (83421125031), we get a palindrome (96473237469).
The spelling of 13052112438 in words is "thirteen billion, fifty-two million, one hundred twelve thousand, four hundred thirty-eight".
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