Base | Representation |
---|---|
bin | 111110000011000… |
… | …0001010101110111 |
3 | 12101002120011210200 |
4 | 1330012001111313 |
5 | 13230440000033 |
6 | 542331251543 |
7 | 102410211144 |
oct | 17406012567 |
9 | 5332504720 |
10 | 2081953143 |
11 | 979232236 |
12 | 4a12a9bb3 |
13 | 27243c74a |
14 | 15a70d3cb |
15 | c2ba0013 |
hex | 7c181577 |
2081953143 has 12 divisors (see below), whose sum is σ = 3010375368. Its totient is φ = 1386533520.
The previous prime is 2081953121. The next prime is 2081953151. The reversal of 2081953143 is 3413591802.
2081953143 is a `hidden beast` number, since 2 + 0 + 81 + 9 + 531 + 43 = 666.
It is not a de Polignac number, because 2081953143 - 26 = 2081953079 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2081953098 and 2081953107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2081953163) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110380 + ... + 127857.
It is an arithmetic number, because the mean of its divisors is an integer number (250864614).
Almost surely, 22081953143 is an apocalyptic number.
2081953143 is a deficient number, since it is larger than the sum of its proper divisors (928422225).
2081953143 is a wasteful number, since it uses less digits than its factorization.
2081953143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239214 (or 239211 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 2081953143 is about 45628.4247262603. The cubic root of 2081953143 is about 1276.9002842509.
The spelling of 2081953143 in words is "two billion, eighty-one million, nine hundred fifty-three thousand, one hundred forty-three".
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