Base | Representation |
---|---|
bin | 1001000001010101… |
… | …1101100111101111 |
3 | 20020202120020212201 |
4 | 2100111131213233 |
5 | 14424403423310 |
6 | 1040142042331 |
7 | 114002540200 |
oct | 22025354757 |
9 | 6222506781 |
10 | 2421545455 |
11 | 1032998a3a |
12 | 576b793a7 |
13 | 2c78c0644 |
14 | 18d86b5a7 |
15 | e28cee3a |
hex | 9055d9ef |
2421545455 has 24 divisors (see below), whose sum is σ = 3527256672. Its totient is φ = 1588289472.
The previous prime is 2421545359. The next prime is 2421545491. The reversal of 2421545455 is 5545451242.
It is not a de Polignac number, because 2421545455 - 213 = 2421537263 is a prime.
It is a Duffinian number.
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, 209232 + ... + 220501.
It is an arithmetic number, because the mean of its divisors is an integer number (146969028).
Almost surely, 22421545455 is an apocalyptic number.
2421545455 is a deficient number, since it is larger than the sum of its proper divisors (1105711217).
2421545455 is a wasteful number, since it uses less digits than its factorization.
2421545455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429775 (or 429768 counting only the distinct ones).
The product of its digits is 160000, while the sum is 37.
The square root of 2421545455 is about 49209.2009181210. The cubic root of 2421545455 is about 1342.8604254511.
Adding to 2421545455 its reverse (5545451242), we get a palindrome (7966996697).
The spelling of 2421545455 in words is "two billion, four hundred twenty-one million, five hundred forty-five thousand, four hundred fifty-five".
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