Base | Representation |
---|---|
bin | 1010110000011011… |
… | …0101111011001110 |
3 | 21110020021220220121 |
4 | 2230012311323032 |
5 | 21403143144034 |
6 | 1154304335154 |
7 | 131361063103 |
oct | 25406657316 |
9 | 7406256817 |
10 | 2887474894 |
11 | 12519a4697 |
12 | 6870144ba |
13 | 3702a6a35 |
14 | 1d56b4aaa |
15 | 11d7681b4 |
hex | ac1b5ece |
2887474894 has 16 divisors (see below), whose sum is σ = 4521201696. Its totient is φ = 1381687200.
The previous prime is 2887474879. The next prime is 2887474903. The reversal of 2887474894 is 4984747882.
It is a super-2 number, since 2×28874748942 = 16675022526960622472, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (61).
It is a congruent number.
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, 315322 + ... + 324349.
It is an arithmetic number, because the mean of its divisors is an integer number (282575106).
Almost surely, 22887474894 is an apocalyptic number.
2887474894 is a deficient number, since it is larger than the sum of its proper divisors (1633726802).
2887474894 is a wasteful number, since it uses less digits than its factorization.
2887474894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 639771.
The product of its digits is 28901376, while the sum is 61.
The square root of 2887474894 is about 53735.2295426380. The cubic root of 2887474894 is about 1423.9871565852.
The spelling of 2887474894 in words is "two billion, eight hundred eighty-seven million, four hundred seventy-four thousand, eight hundred ninety-four".
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