Base | Representation |
---|---|
bin | 1010000000101101… |
… | …1111001011010010 |
3 | 20221021202022220020 |
4 | 2200023133023102 |
5 | 21000431201332 |
6 | 1122355324310 |
7 | 123411142560 |
oct | 24013371322 |
9 | 6837668806 |
10 | 2687365842 |
11 | 1159a47807 |
12 | 62bbb0696 |
13 | 33a9b1c05 |
14 | 1b6ca4a30 |
15 | 10addb82c |
hex | a02df2d2 |
2687365842 has 32 divisors (see below), whose sum is σ = 6147411072. Its totient is φ = 767211264.
The previous prime is 2687365819. The next prime is 2687365853. The reversal of 2687365842 is 2485637862.
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, 29808 + ... + 79140.
It is an arithmetic number, because the mean of its divisors is an integer number (192106596).
Almost surely, 22687365842 is an apocalyptic number.
2687365842 is an abundant number, since it is smaller than the sum of its proper divisors (3460045230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2687365842 is a wasteful number, since it uses less digits than its factorization.
2687365842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50642.
The product of its digits is 3870720, while the sum is 51.
The square root of 2687365842 is about 51839.8094325201. The cubic root of 2687365842 is about 1390.3013065915.
The spelling of 2687365842 in words is "two billion, six hundred eighty-seven million, three hundred sixty-five thousand, eight hundred forty-two".
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