Base | Representation |
---|---|
bin | 1010101010001101… |
… | …0000011000001010 |
3 | 21101102011121010210 |
4 | 2222203100120022 |
5 | 21330002300332 |
6 | 1151533021550 |
7 | 130623143133 |
oct | 25243203012 |
9 | 7342147123 |
10 | 2861368842 |
11 | 1239193842 |
12 | 67a3248b6 |
13 | 367a66277 |
14 | 1d203ac8a |
15 | 11b30cecc |
hex | aa8d060a |
2861368842 has 16 divisors (see below), whose sum is σ = 5723511552. Its totient is φ = 953660640.
The previous prime is 2861368837. The next prime is 2861368847. The reversal of 2861368842 is 2488631682.
It is an interprime number because it is at equal distance from previous prime (2861368837) and next prime (2861368847).
It is a junction number, because it is equal to n+sod(n) for n = 2861368791 and 2861368800.
It is not an unprimeable number, because it can be changed into a prime (2861368847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23143 + ... + 79109.
It is an arithmetic number, because the mean of its divisors is an integer number (357719472).
Almost surely, 22861368842 is an apocalyptic number.
2861368842 is an abundant number, since it is smaller than the sum of its proper divisors (2862142710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2861368842 is a wasteful number, since it uses less digits than its factorization.
2861368842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64493.
The product of its digits is 884736, while the sum is 48.
The square root of 2861368842 is about 53491.7642446012. The cubic root of 2861368842 is about 1419.6826709415.
The spelling of 2861368842 in words is "two billion, eight hundred sixty-one million, three hundred sixty-eight thousand, eight hundred forty-two".
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