Base | Representation |
---|---|
bin | 1010110000010101… |
… | …0110101111001111 |
3 | 21110012120010002100 |
4 | 2230011112233033 |
5 | 21403043210012 |
6 | 1154252130143 |
7 | 131354550312 |
oct | 25405265717 |
9 | 7405503070 |
10 | 2887085007 |
11 | 1251758774 |
12 | 686a66953 |
13 | 37019b431 |
14 | 1d5612979 |
15 | 11d6dc8dc |
hex | ac156bcf |
2887085007 has 12 divisors (see below), whose sum is σ = 4232477080. Its totient is φ = 1895995728.
The previous prime is 2887084969. The next prime is 2887085009. The reversal of 2887085007 is 7005807882.
It is a happy number.
It is not a de Polignac number, because 2887085007 - 215 = 2887052239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2887085009) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393332 + ... + 2394537.
Almost surely, 22887085007 is an apocalyptic number.
2887085007 is a deficient number, since it is larger than the sum of its proper divisors (1345392073).
2887085007 is a wasteful number, since it uses less digits than its factorization.
2887085007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4787942 (or 4787939 counting only the distinct ones).
The product of its (nonzero) digits is 250880, while the sum is 45.
The square root of 2887085007 is about 53731.6015674203. The cubic root of 2887085007 is about 1423.9230614743.
The spelling of 2887085007 in words is "two billion, eight hundred eighty-seven million, eighty-five thousand, seven".
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