Base | Representation |
---|---|
bin | 111110001100100… |
… | …1000111010000111 |
3 | 12101102222210121020 |
4 | 1330121020322013 |
5 | 13233230333441 |
6 | 543030522223 |
7 | 102500623455 |
oct | 17431107207 |
9 | 5342883536 |
10 | 2086964871 |
11 | 981045662 |
12 | 4a2b06373 |
13 | 2734a5974 |
14 | 15b2559d5 |
15 | c333ee66 |
hex | 7c648e87 |
2086964871 has 16 divisors (see below), whose sum is σ = 2795987040. Its totient is φ = 1384640640.
The previous prime is 2086964861. The next prime is 2086964927. The reversal of 2086964871 is 1784696802.
2086964871 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2086964871 - 27 = 2086964743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2086964861) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938541 + ... + 940761.
It is an arithmetic number, because the mean of its divisors is an integer number (174749190).
Almost surely, 22086964871 is an apocalyptic number.
2086964871 is a deficient number, since it is larger than the sum of its proper divisors (709022169).
2086964871 is a wasteful number, since it uses less digits than its factorization.
2086964871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3586.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The square root of 2086964871 is about 45683.3106396636. The cubic root of 2086964871 is about 1277.9240582959.
The spelling of 2086964871 in words is "two billion, eighty-six million, nine hundred sixty-four thousand, eight hundred seventy-one".
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