Base | Representation |
---|---|
bin | 111100011100001… |
… | …1000110101010001 |
3 | 12020100010111102200 |
4 | 1320320120311101 |
5 | 13123140011242 |
6 | 533124033413 |
7 | 101154056334 |
oct | 17070306521 |
9 | 5210114380 |
10 | 2028047697 |
11 | 950864285 |
12 | 487232869 |
13 | 264217830 |
14 | 1534ba61b |
15 | bd0a304c |
hex | 78e18d51 |
2028047697 has 24 divisors (see below), whose sum is σ = 3221871744. Its totient is φ = 1221472224.
The previous prime is 2028047653. The next prime is 2028047699. The reversal of 2028047697 is 7967408202.
It is not a de Polignac number, because 2028047697 - 215 = 2028014929 is a prime.
It is a super-2 number, since 2×20280476972 = 8225954922614007618, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2028047699) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178903 + ... + 189900.
It is an arithmetic number, because the mean of its divisors is an integer number (134244656).
Almost surely, 22028047697 is an apocalyptic number.
It is an amenable number.
2028047697 is a deficient number, since it is larger than the sum of its proper divisors (1193824047).
2028047697 is a wasteful number, since it uses less digits than its factorization.
2028047697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368869 (or 368866 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 2028047697 is about 45033.8505682115. The cubic root of 2028047697 is about 1265.7833778792.
The spelling of 2028047697 in words is "two billion, twenty-eight million, forty-seven thousand, six hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •