Base | Representation |
---|---|
bin | 1010000001000101… |
… | …1101110011011111 |
3 | 20221101200221202100 |
4 | 2200101131303133 |
5 | 21001331324322 |
6 | 1122453100143 |
7 | 123430361031 |
oct | 24021356337 |
9 | 6841627670 |
10 | 2688933087 |
11 | 115a918255 |
12 | 630627653 |
13 | 33b110389 |
14 | 1b7191c51 |
15 | 10b0eadac |
hex | a045dcdf |
2688933087 has 24 divisors (see below), whose sum is σ = 4065804288. Its totient is φ = 1710349200.
The previous prime is 2688933047. The next prime is 2688933101. The reversal of 2688933087 is 7803398862.
It is a de Polignac number, because none of the positive numbers 2k-2688933087 is a prime.
It is a super-2 number, since 2×26889330872 = 14460722292726699138, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2688933047) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 48063 + ... + 87680.
It is an arithmetic number, because the mean of its divisors is an integer number (169408512).
Almost surely, 22688933087 is an apocalyptic number.
2688933087 is a deficient number, since it is larger than the sum of its proper divisors (1376871201).
2688933087 is a wasteful number, since it uses less digits than its factorization.
2688933087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135851 (or 135848 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The square root of 2688933087 is about 51854.9234595906. The cubic root of 2688933087 is about 1390.5715240284.
The spelling of 2688933087 in words is "two billion, six hundred eighty-eight million, nine hundred thirty-three thousand, eighty-seven".
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