Base | Representation |
---|---|
bin | 111100011101110… |
… | …0110001001110000 |
3 | 12020101201020001111 |
4 | 1320323212021300 |
5 | 13123343414223 |
6 | 533154043104 |
7 | 101164161241 |
oct | 17073461160 |
9 | 5211636044 |
10 | 2028888688 |
11 | 951289112 |
12 | 487579494 |
13 | 264450568 |
14 | 153658cc8 |
15 | bd1bc30d |
hex | 78ee6270 |
2028888688 has 10 divisors (see below), whose sum is σ = 3930971864. Its totient is φ = 1014444336.
The previous prime is 2028888683. The next prime is 2028888703. The reversal of 2028888688 is 8868888202.
It is a super-2 number, since 2×20288886882 = 8232778616588722688, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028888683) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63402756 + ... + 63402787.
Almost surely, 22028888688 is an apocalyptic number.
It is an amenable number.
2028888688 is a deficient number, since it is larger than the sum of its proper divisors (1902083176).
2028888688 is a wasteful number, since it uses less digits than its factorization.
2028888688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126805551 (or 126805545 counting only the distinct ones).
The product of its (nonzero) digits is 6291456, while the sum is 58.
The square root of 2028888688 is about 45043.1869209984. The cubic root of 2028888688 is about 1265.9583187546.
The spelling of 2028888688 in words is "two billion, twenty-eight million, eight hundred eighty-eight thousand, six hundred eighty-eight".
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