Base | Representation |
---|---|
bin | 111110001110001… |
… | …0110011100100000 |
3 | 12101111120120110000 |
4 | 1330130112130200 |
5 | 13233434304002 |
6 | 543100540000 |
7 | 102511031103 |
oct | 17434263440 |
9 | 5344516400 |
10 | 2087806752 |
11 | 981570129 |
12 | 4a3251600 |
13 | 27370bc15 |
14 | 15b3d473a |
15 | c345961c |
hex | 7c716720 |
2087806752 has 120 divisors (see below), whose sum is σ = 6168318156. Its totient is φ = 692748288.
The previous prime is 2087806741. The next prime is 2087806753. The reversal of 2087806752 is 2576087802.
It can be written as a sum of positive squares in 2 ways, for example, as 1622800656 + 465006096 = 40284^2 + 21564^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2087806698 and 2087806707.
It is not an unprimeable number, because it can be changed into a prime (2087806753) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 602208 + ... + 605664.
Almost surely, 22087806752 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 2087806752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084159078).
2087806752 is an abundant number, since it is smaller than the sum of its proper divisors (4080511404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2087806752 is a wasteful number, since it uses less digits than its factorization.
2087806752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3712 (or 3695 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 2087806752 is about 45692.5240274599. The cubic root of 2087806752 is about 1278.0958732546.
The spelling of 2087806752 in words is "two billion, eighty-seven million, eight hundred six thousand, seven hundred fifty-two".
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