Base | Representation |
---|---|
bin | 1010000000110100… |
… | …0000111001000100 |
3 | 20221022111122221000 |
4 | 2200031000321010 |
5 | 21001032003314 |
6 | 1122412053300 |
7 | 123414430503 |
oct | 24015007104 |
9 | 6838448830 |
10 | 2687766084 |
11 | 115a1a0493 |
12 | 630164230 |
13 | 33aac2143 |
14 | 1b6d6a83a |
15 | 10ae6a209 |
hex | a0340e44 |
2687766084 has 96 divisors (see below), whose sum is σ = 7151760000. Its totient is φ = 872460288.
The previous prime is 2687766083. The next prime is 2687766119. The reversal of 2687766084 is 4806677862.
2687766084 is a `hidden beast` number, since 26 + 8 + 7 + 7 + 6 + 608 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 2687766084.
It is not an unprimeable number, because it can be changed into a prime (2687766083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084512 + ... + 2085800.
It is an arithmetic number, because the mean of its divisors is an integer number (74497500).
Almost surely, 22687766084 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2687766084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575880000).
2687766084 is an abundant number, since it is smaller than the sum of its proper divisors (4463993916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2687766084 is a wasteful number, since it uses less digits than its factorization.
2687766084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1794 (or 1786 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 54.
The square root of 2687766084 is about 51843.6696617822. The cubic root of 2687766084 is about 1390.3703245302.
The spelling of 2687766084 in words is "two billion, six hundred eighty-seven million, seven hundred sixty-six thousand, eighty-four".
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