Base | Representation |
---|---|
bin | 1010100100110101… |
… | …1001100000110000 |
3 | 21022211211010101022 |
4 | 2221031121200300 |
5 | 21303222034442 |
6 | 1145410355012 |
7 | 130230633140 |
oct | 25115314060 |
9 | 7284733338 |
10 | 2838861872 |
11 | 1227510a40 |
12 | 67288ba68 |
13 | 3631b5a32 |
14 | 1cd05c920 |
15 | 1193643d2 |
hex | a9359830 |
2838861872 has 40 divisors (see below), whose sum is σ = 6857513472. Its totient is φ = 1106049600.
The previous prime is 2838861869. The next prime is 2838861901. The reversal of 2838861872 is 2781688382.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150904 + ... + 1153367.
Almost surely, 22838861872 is an apocalyptic number.
2838861872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2838861872 is an abundant number, since it is smaller than the sum of its proper divisors (4018651600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2838861872 is a wasteful number, since it uses less digits than its factorization.
2838861872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2304297 (or 2304291 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 53.
The square root of 2838861872 is about 53280.9710121728. The cubic root of 2838861872 is about 1415.9505526053.
The spelling of 2838861872 in words is "two billion, eight hundred thirty-eight million, eight hundred sixty-one thousand, eight hundred seventy-two".
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