Base | Representation |
---|---|
bin | 11100001001011100… |
… | …010000100000100010 |
3 | 2220000022020022002110 |
4 | 130021130100200202 |
5 | 443344113024131 |
6 | 21515003300150 |
7 | 2116646510640 |
oct | 341134204042 |
9 | 86008208073 |
10 | 30223173666 |
11 | 118aa214784 |
12 | 5a3581a656 |
13 | 2b086a421a |
14 | 1669d40190 |
15 | bbd50e646 |
hex | 709710822 |
30223173666 has 32 divisors (see below), whose sum is σ = 71309979648. Its totient is φ = 8356637520.
The previous prime is 30223173649. The next prime is 30223173671. The reversal of 30223173666 is 66637132203.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11605140 + ... + 11607743.
It is an arithmetic number, because the mean of its divisors is an integer number (2228436864).
Almost surely, 230223173666 is an apocalyptic number.
30223173666 is an abundant number, since it is smaller than the sum of its proper divisors (41086805982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30223173666 is a wasteful number, since it uses less digits than its factorization.
30223173666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23212926.
The product of its (nonzero) digits is 163296, while the sum is 39.
The spelling of 30223173666 in words is "thirty billion, two hundred twenty-three million, one hundred seventy-three thousand, six hundred sixty-six".
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