Base | Representation |
---|---|
bin | 111100011100011… |
… | …0111010101010011 |
3 | 12020100100211210201 |
4 | 1320320313111103 |
5 | 13123203011002 |
6 | 533130440031 |
7 | 101155116505 |
oct | 17070672523 |
9 | 5210324721 |
10 | 2028172627 |
11 | 95093a128 |
12 | 487293017 |
13 | 26425c660 |
14 | 15350dd75 |
15 | bd0ca087 |
hex | 78e37553 |
2028172627 has 8 divisors (see below), whose sum is σ = 2185312976. Its totient is φ = 1871193312.
The previous prime is 2028172603. The next prime is 2028172639. The reversal of 2028172627 is 7262718202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2028172627 is a prime.
It is a super-2 number, since 2×20281726272 = 8226968409824162258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2028172697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13428 + ... + 65089.
It is an arithmetic number, because the mean of its divisors is an integer number (273164122).
Almost surely, 22028172627 is an apocalyptic number.
2028172627 is a deficient number, since it is larger than the sum of its proper divisors (157140349).
2028172627 is a wasteful number, since it uses less digits than its factorization.
2028172627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80517.
The product of its (nonzero) digits is 37632, while the sum is 37.
The square root of 2028172627 is about 45035.2376145613. The cubic root of 2028172627 is about 1265.8093685681.
The spelling of 2028172627 in words is "two billion, twenty-eight million, one hundred seventy-two thousand, six hundred twenty-seven".
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