Base | Representation |
---|---|
bin | 1010101110110110… |
… | …1001000100011110 |
3 | 21102202212021211110 |
4 | 2223231221010132 |
5 | 21400000244023 |
6 | 1153511002450 |
7 | 131250656634 |
oct | 25355510436 |
9 | 7382767743 |
10 | 2880868638 |
11 | 12491a227a |
12 | 684969426 |
13 | 36bb02acb |
14 | 1d4875354 |
15 | 11cdb0a93 |
hex | abb6911e |
2880868638 has 24 divisors (see below), whose sum is σ = 5861091528. Its totient is φ = 944006608.
The previous prime is 2880868609. The next prime is 2880868643. The reversal of 2880868638 is 8368680882.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48081 + ... + 89852.
It is an arithmetic number, because the mean of its divisors is an integer number (244212147).
Almost surely, 22880868638 is an apocalyptic number.
2880868638 is an abundant number, since it is smaller than the sum of its proper divisors (2980222890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2880868638 is a wasteful number, since it uses less digits than its factorization.
2880868638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138056 (or 137997 counting only the distinct ones).
The product of its (nonzero) digits is 7077888, while the sum is 57.
The square root of 2880868638 is about 53673.7239065821. The cubic root of 2880868638 is about 1422.9003468939.
The spelling of 2880868638 in words is "two billion, eight hundred eighty million, eight hundred sixty-eight thousand, six hundred thirty-eight".
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