Base | Representation |
---|---|
bin | 1001011101101000… |
… | …1110100100000111 |
3 | 20120000220022100100 |
4 | 2113122032210013 |
5 | 20200300010030 |
6 | 1100022015143 |
7 | 116643432663 |
oct | 22732164407 |
9 | 6500808310 |
10 | 2540235015 |
11 | 109399518a |
12 | 5aa8774b3 |
13 | 316378c56 |
14 | 1a15258a3 |
15 | ed027360 |
hex | 9768e907 |
2540235015 has 24 divisors (see below), whose sum is σ = 4545111168. Its totient is φ = 1311088320.
The previous prime is 2540234987. The next prime is 2540235041. The reversal of 2540235015 is 5105320452.
It is a happy number.
2540235015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2540235015 - 26 = 2540234951 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2540235015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 909084 + ... + 911873.
It is an arithmetic number, because the mean of its divisors is an integer number (189379632).
Almost surely, 22540235015 is an apocalyptic number.
2540235015 is a deficient number, since it is larger than the sum of its proper divisors (2004876153).
2540235015 is a wasteful number, since it uses less digits than its factorization.
2540235015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1820999 (or 1820996 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2540235015 is about 50400.7441909343. The cubic root of 2540235015 is about 1364.4510693806.
Adding to 2540235015 its reverse (5105320452), we get a palindrome (7645555467).
The spelling of 2540235015 in words is "two billion, five hundred forty million, two hundred thirty-five thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •