Base | Representation |
---|---|
bin | 1010000000101111… |
… | …1000001101010000 |
3 | 20221021221112112111 |
4 | 2200023320031100 |
5 | 21000442441433 |
6 | 1122401435104 |
7 | 123412050514 |
oct | 24013701520 |
9 | 6837845474 |
10 | 2687468368 |
11 | 115a007842 |
12 | 63003ba94 |
13 | 33aa19790 |
14 | 1b6cd0144 |
15 | 10ae0bdcd |
hex | a02f8350 |
2687468368 has 80 divisors (see below), whose sum is σ = 5826182656. Its totient is φ = 1192527360.
The previous prime is 2687468353. The next prime is 2687468383. The reversal of 2687468368 is 8638647862.
It is an interprime number because it is at equal distance from previous prime (2687468353) and next prime (2687468383).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049746 + ... + 1052302.
Almost surely, 22687468368 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 2687468368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2913091328).
2687468368 is an abundant number, since it is smaller than the sum of its proper divisors (3138714288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2687468368 is a wasteful number, since it uses less digits than its factorization.
2687468368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2772 (or 2766 counting only the distinct ones).
The product of its digits is 18579456, while the sum is 58.
The square root of 2687468368 is about 51840.7982963226. The cubic root of 2687468368 is about 1390.3189868811.
The spelling of 2687468368 in words is "two billion, six hundred eighty-seven million, four hundred sixty-eight thousand, three hundred sixty-eight".
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