Base | Representation |
---|---|
bin | 1001011110001010… |
… | …0110011101000100 |
3 | 20120012000211022211 |
4 | 2113202212131010 |
5 | 20201330230040 |
6 | 1100141033204 |
7 | 120001204264 |
oct | 22742463504 |
9 | 6505024284 |
10 | 2542430020 |
11 | 1095154339 |
12 | 5ab555804 |
13 | 316967080 |
14 | 1a19377a4 |
15 | ed30c8ea |
hex | 978a6744 |
2542430020 has 48 divisors (see below), whose sum is σ = 5753518848. Its totient is φ = 938136960.
The previous prime is 2542429999. The next prime is 2542430027. The reversal of 2542430020 is 200342452.
It is a junction number, because it is equal to n+sod(n) for n = 2542429973 and 2542430000.
It is not an unprimeable number, because it can be changed into a prime (2542430027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703057 + ... + 706663.
It is an arithmetic number, because the mean of its divisors is an integer number (119864976).
Almost surely, 22542430020 is an apocalyptic number.
2542430020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2542430020 is an abundant number, since it is smaller than the sum of its proper divisors (3211088828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2542430020 is a wasteful number, since it uses less digits than its factorization.
2542430020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6340 (or 6338 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 2542430020 is about 50422.5150106577. The cubic root of 2542430020 is about 1364.8439614644.
Adding to 2542430020 its reverse (200342452), we get a palindrome (2742772472).
The spelling of 2542430020 in words is "two billion, five hundred forty-two million, four hundred thirty thousand, twenty".
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