Base | Representation |
---|---|
bin | 111110001101110… |
… | …1100001010000000 |
3 | 12101111020202211121 |
4 | 1330123230022000 |
5 | 13233413233121 |
6 | 543053122024 |
7 | 102506410102 |
oct | 17433541200 |
9 | 5344222747 |
10 | 2087633536 |
11 | 981461a7a |
12 | 4a3189314 |
13 | 27367b121 |
14 | 15b38b572 |
15 | c3423141 |
hex | 7c6ec280 |
2087633536 has 64 divisors (see below), whose sum is σ = 4352476680. Its totient is φ = 996323328.
The previous prime is 2087633467. The next prime is 2087633543. The reversal of 2087633536 is 6353367802.
It can be written as a sum of positive squares in 4 ways, for example, as 1932481600 + 155151936 = 43960^2 + 12456^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 2087633492 and 2087633501.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246850 + ... + 255166.
Almost surely, 22087633536 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 2087633536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176238340).
2087633536 is an abundant number, since it is smaller than the sum of its proper divisors (2264843144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2087633536 is an equidigital number, since it uses as much as digits as its factorization.
2087633536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8421 (or 8409 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 43.
The square root of 2087633536 is about 45690.6285358387. The cubic root of 2087633536 is about 1278.0605263086.
The spelling of 2087633536 in words is "two billion, eighty-seven million, six hundred thirty-three thousand, five hundred thirty-six".
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