Base | Representation |
---|---|
bin | 11001001110000111… |
… | …11110001011010111 |
3 | 1021221122101012012120 |
4 | 30213003332023113 |
5 | 210212301120143 |
6 | 10115330351023 |
7 | 656353156263 |
oct | 144703761327 |
9 | 37848335176 |
10 | 13540254423 |
11 | 5819136613 |
12 | 275a72b473 |
13 | 137a2ac387 |
14 | 9263dd0a3 |
15 | 543abc383 |
hex | 3270fe2d7 |
13540254423 has 8 divisors (see below), whose sum is σ = 18077973888. Its totient is φ = 9014685624.
The previous prime is 13540254379. The next prime is 13540254433. The reversal of 13540254423 is 32445204531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13540254423 - 212 = 13540250327 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13540254433) 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, 3035065 + ... + 3039522.
It is an arithmetic number, because the mean of its divisors is an integer number (2259746736).
Almost surely, 213540254423 is an apocalyptic number.
13540254423 is a deficient number, since it is larger than the sum of its proper divisors (4537719465).
13540254423 is an equidigital number, since it uses as much as digits as its factorization.
13540254423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6075333.
The product of its (nonzero) digits is 57600, while the sum is 33.
Adding to 13540254423 its reverse (32445204531), we get a palindrome (45985458954).
The spelling of 13540254423 in words is "thirteen billion, five hundred forty million, two hundred fifty-four thousand, four hundred twenty-three".
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