Base | Representation |
---|---|
bin | 1001011110001010… |
… | …0100110010101101 |
3 | 20120012000110222201 |
4 | 2113202210302231 |
5 | 20201330020323 |
6 | 1100140541501 |
7 | 120001145401 |
oct | 22742446255 |
9 | 6505013881 |
10 | 2542423213 |
11 | 109514a210 |
12 | 5ab551891 |
13 | 316963c45 |
14 | 1a1935101 |
15 | ed30a8ad |
hex | 978a4cad |
2542423213 has 4 divisors (see below), whose sum is σ = 2773552608. Its totient is φ = 2311293820.
The previous prime is 2542423199. The next prime is 2542423229. The reversal of 2542423213 is 3123242452.
2542423213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2542423213 - 229 = 2005552301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2542423313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115564681 + ... + 115564702.
It is an arithmetic number, because the mean of its divisors is an integer number (693388152).
Almost surely, 22542423213 is an apocalyptic number.
It is an amenable number.
2542423213 is a deficient number, since it is larger than the sum of its proper divisors (231129395).
2542423213 is a wasteful number, since it uses less digits than its factorization.
2542423213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231129394.
The product of its digits is 11520, while the sum is 28.
The square root of 2542423213 is about 50422.4475110045. The cubic root of 2542423213 is about 1364.8427434039.
Adding to 2542423213 its reverse (3123242452), we get a palindrome (5665665665).
The spelling of 2542423213 in words is "two billion, five hundred forty-two million, four hundred twenty-three thousand, two hundred thirteen".
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