Base | Representation |
---|---|
bin | 1010000000101110… |
… | …1110001010111010 |
3 | 20221021212110010220 |
4 | 2200023232022322 |
5 | 21000440133013 |
6 | 1122400520510 |
7 | 123411516615 |
oct | 24013561272 |
9 | 6837773126 |
10 | 2687427258 |
11 | 1159a8996a |
12 | 630020136 |
13 | 33aa03b59 |
14 | 1b6cbd17c |
15 | 10adeeb23 |
hex | a02ee2ba |
2687427258 has 16 divisors (see below), whose sum is σ = 5379344256. Its totient is φ = 895060800.
The previous prime is 2687427257. The next prime is 2687427263. The reversal of 2687427258 is 8527247862.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2687427258.
It is not an unprimeable number, because it can be changed into a prime (2687427257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179266 + ... + 193677.
It is an arithmetic number, because the mean of its divisors is an integer number (336209016).
Almost surely, 22687427258 is an apocalyptic number.
2687427258 is an abundant number, since it is smaller than the sum of its proper divisors (2691916998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2687427258 is a wasteful number, since it uses less digits than its factorization.
2687427258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374149.
The product of its digits is 3010560, while the sum is 51.
The square root of 2687427258 is about 51840.4017924244. The cubic root of 2687427258 is about 1390.3118976436.
The spelling of 2687427258 in words is "two billion, six hundred eighty-seven million, four hundred twenty-seven thousand, two hundred fifty-eight".
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