Base | Representation |
---|---|
bin | 1010101100100110… |
… | …0000001011100101 |
3 | 21102010000222111122 |
4 | 2223021200023211 |
5 | 21340034120140 |
6 | 1152531543325 |
7 | 131104312061 |
oct | 25311401345 |
9 | 7363028448 |
10 | 2871395045 |
11 | 1243911662 |
12 | 68175ab45 |
13 | 369b66a2c |
14 | 1d34caaa1 |
15 | 11c13dab5 |
hex | ab2602e5 |
2871395045 has 32 divisors (see below), whose sum is σ = 3707596800. Its totient is φ = 2128149504.
The previous prime is 2871394987. The next prime is 2871395063. The reversal of 2871395045 is 5405931782.
It is a cyclic number.
It is not a de Polignac number, because 2871395045 - 226 = 2804286181 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2871394987 and 2871395005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927661 + ... + 1929149.
It is an arithmetic number, because the mean of its divisors is an integer number (115862400).
Almost surely, 22871395045 is an apocalyptic number.
It is an amenable number.
2871395045 is a deficient number, since it is larger than the sum of its proper divisors (836201755).
2871395045 is a wasteful number, since it uses less digits than its factorization.
2871395045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1949.
The product of its (nonzero) digits is 302400, while the sum is 44.
The square root of 2871395045 is about 53585.3995506239. The cubic root of 2871395045 is about 1421.3389217828.
The spelling of 2871395045 in words is "two billion, eight hundred seventy-one million, three hundred ninety-five thousand, forty-five".
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