Base | Representation |
---|---|
bin | 1000000110100110… |
… | …0010000000100001 |
3 | 12121120220222012110 |
4 | 2001221202000201 |
5 | 13423314214230 |
6 | 555500545533 |
7 | 104621311356 |
oct | 20151420041 |
9 | 5546828173 |
10 | 2175148065 |
11 | a168a5a32 |
12 | 5085522a9 |
13 | 28883c97c |
14 | 168c4c62d |
15 | cae5d4b0 |
hex | 81a62021 |
2175148065 has 32 divisors (see below), whose sum is σ = 3691120896. Its totient is φ = 1091439360.
The previous prime is 2175148039. The next prime is 2175148081. The reversal of 2175148065 is 5608415712.
It is not a de Polignac number, because 2175148065 - 29 = 2175147553 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30634 + ... + 72723.
It is an arithmetic number, because the mean of its divisors is an integer number (115347528).
Almost surely, 22175148065 is an apocalyptic number.
It is an amenable number.
2175148065 is a deficient number, since it is larger than the sum of its proper divisors (1515972831).
2175148065 is a wasteful number, since it uses less digits than its factorization.
2175148065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103449.
The product of its (nonzero) digits is 67200, while the sum is 39.
The square root of 2175148065 is about 46638.4826618534. The cubic root of 2175148065 is about 1295.6755845463.
The spelling of 2175148065 in words is "two billion, one hundred seventy-five million, one hundred forty-eight thousand, sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •