Base | Representation |
---|---|
bin | 1000001000001110… |
… | …1101011111110100 |
3 | 12122001211122012100 |
4 | 2002003231133310 |
5 | 13432043321433 |
6 | 1000304022100 |
7 | 105033533502 |
oct | 20203553764 |
9 | 5561748170 |
10 | 2182010868 |
11 | a1a763074 |
12 | 50a901930 |
13 | 28a0a35bb |
14 | 169b17672 |
15 | cb866b13 |
hex | 820ed7f4 |
2182010868 has 72 divisors (see below), whose sum is σ = 5587021440. Its totient is φ = 717969600.
The previous prime is 2182010839. The next prime is 2182010869. The reversal of 2182010868 is 8680102812.
2182010868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×21820108682 = 9522342856140226848, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2182010869) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595521 + ... + 1596887.
It is an arithmetic number, because the mean of its divisors is an integer number (77597520).
Almost surely, 22182010868 is an apocalyptic number.
It is an amenable number.
2182010868 is an abundant number, since it is smaller than the sum of its proper divisors (3405010572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2182010868 is a wasteful number, since it uses less digits than its factorization.
2182010868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1917 (or 1912 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 2182010868 is about 46711.9991865045. Note that the first 3 decimals coincide. The cubic root of 2182010868 is about 1297.0368146341.
The spelling of 2182010868 in words is "two billion, one hundred eighty-two million, ten thousand, eight hundred sixty-eight".
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