Base | Representation |
---|---|
bin | 1010100000010111… |
… | …1100011001110011 |
3 | 21021112120110122210 |
4 | 2220011330121303 |
5 | 21233423133134 |
6 | 1143501103203 |
7 | 126612466401 |
oct | 25005743163 |
9 | 7245513583 |
10 | 2820130419 |
11 | 12179877a7 |
12 | 668557b03 |
13 | 35c357b32 |
14 | 1ca784471 |
15 | 1178b42e9 |
hex | a817c673 |
2820130419 has 24 divisors (see below), whose sum is σ = 3897961920. Its totient is φ = 1813552080.
The previous prime is 2820130399. The next prime is 2820130427. The reversal of 2820130419 is 9140310282.
2820130419 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2820130419 - 28 = 2820130163 is a prime.
It is a super-2 number, since 2×28201304192 = 15906271160338231122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2820130919) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998992 + ... + 1001810.
It is an arithmetic number, because the mean of its divisors is an integer number (162415080).
Almost surely, 22820130419 is an apocalyptic number.
2820130419 is a deficient number, since it is larger than the sum of its proper divisors (1077831501).
2820130419 is a wasteful number, since it uses less digits than its factorization.
2820130419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3231 (or 3200 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 2820130419 is about 53104.9001411358. The cubic root of 2820130419 is about 1412.8294238209.
The spelling of 2820130419 in words is "two billion, eight hundred twenty million, one hundred thirty thousand, four hundred nineteen".
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