Base | Representation |
---|---|
bin | 1010000001000100… |
… | …1101110000100000 |
3 | 20221101120121121000 |
4 | 2200101031300200 |
5 | 21001322223420 |
6 | 1122451432000 |
7 | 123426665304 |
oct | 24021156040 |
9 | 6841517530 |
10 | 2688867360 |
11 | 115a882933 |
12 | 6305b5600 |
13 | 33b0b949a |
14 | 1b7175d04 |
15 | 10b0d6690 |
hex | a044dc20 |
2688867360 has 96 divisors (see below), whose sum is σ = 9411050880. Its totient is φ = 717030144.
The previous prime is 2688867343. The next prime is 2688867361. The reversal of 2688867360 is 637688862.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 2688867297 and 2688867306.
It is not an unprimeable number, because it can be changed into a prime (2688867361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306892 + ... + 315531.
It is an arithmetic number, because the mean of its divisors is an integer number (98031780).
Almost surely, 22688867360 is an apocalyptic number.
2688867360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2688867360 is an abundant number, since it is smaller than the sum of its proper divisors (6722183520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2688867360 is a wasteful number, since it uses less digits than its factorization.
2688867360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622447 (or 622433 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 54.
The square root of 2688867360 is about 51854.2896971890. The cubic root of 2688867360 is about 1390.5601937800.
The spelling of 2688867360 in words is "two billion, six hundred eighty-eight million, eight hundred sixty-seven thousand, three hundred sixty".
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