Base | Representation |
---|---|
bin | 111101000101110… |
… | …0011001001001000 |
3 | 12021212011001122212 |
4 | 1322023203021020 |
5 | 13144230113010 |
6 | 535223204252 |
7 | 101540263613 |
oct | 17213431110 |
9 | 5255131585 |
10 | 2049847880 |
11 | 9620a4063 |
12 | 4925a6688 |
13 | 2688ab452 |
14 | 15635317a |
15 | bee5c505 |
hex | 7a2e3248 |
2049847880 has 32 divisors (see below), whose sum is σ = 4617259200. Its totient is φ = 819032256.
The previous prime is 2049847859. The next prime is 2049847939. The reversal of 2049847880 is 887489402.
It is a super-2 number, since 2×20498478802 = 8403752662280988800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8879 + ... + 64641.
It is an arithmetic number, because the mean of its divisors is an integer number (144289350).
Almost surely, 22049847880 is an apocalyptic number.
2049847880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2049847880 is an abundant number, since it is smaller than the sum of its proper divisors (2567411320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2049847880 is a wasteful number, since it uses less digits than its factorization.
2049847880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56693 (or 56689 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 50.
The square root of 2049847880 is about 45275.2457751474. The cubic root of 2049847880 is about 1270.3026703331.
The spelling of 2049847880 in words is "two billion, forty-nine million, eight hundred forty-seven thousand, eight hundred eighty".
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