Base | Representation |
---|---|
bin | 111111011100010… |
… | …0011011101110010 |
3 | 12111100121221020222 |
4 | 1332320203131302 |
5 | 13324430121141 |
6 | 551122333042 |
7 | 103516054322 |
oct | 17670433562 |
9 | 5440557228 |
10 | 2128754546 |
11 | 9a2698886 |
12 | 4b4aba182 |
13 | 27c047c99 |
14 | 162a13282 |
15 | c6d4714b |
hex | 7ee23772 |
2128754546 has 8 divisors (see below), whose sum is σ = 3200029824. Its totient is φ = 1062077940.
The previous prime is 2128754527. The next prime is 2128754549. The reversal of 2128754546 is 6454578212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21287545462 = 9063191834231332232, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2128754497 and 2128754506.
It is not an unprimeable number, because it can be changed into a prime (2128754549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148510 + ... + 1150361.
It is an arithmetic number, because the mean of its divisors is an integer number (400003728).
Almost surely, 22128754546 is an apocalyptic number.
2128754546 is a deficient number, since it is larger than the sum of its proper divisors (1071275278).
2128754546 is a wasteful number, since it uses less digits than its factorization.
2128754546 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2299336.
The product of its digits is 537600, while the sum is 44.
The square root of 2128754546 is about 46138.4280833233. The cubic root of 2128754546 is about 1286.3975259080.
The spelling of 2128754546 in words is "two billion, one hundred twenty-eight million, seven hundred fifty-four thousand, five hundred forty-six".
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