Base | Representation |
---|---|
bin | 11001101111010110… |
… | …110111101100001110 |
3 | 2122100010220102120100 |
4 | 121233112313230032 |
5 | 423100321220110 |
6 | 20410255431530 |
7 | 1665616501434 |
oct | 315726675416 |
9 | 78303812510 |
10 | 27638070030 |
11 | 107a2a7409a |
12 | 5433b255a6 |
13 | 27b5c486bc |
14 | 14a2898d54 |
15 | abb5c2bc0 |
hex | 66f5b7b0e |
27638070030 has 48 divisors (see below), whose sum is σ = 71943032304. Its totient is φ = 7361531520.
The previous prime is 27638070017. The next prime is 27638070067. The reversal of 27638070030 is 3007083672.
27638070030 is a `hidden beast` number, since 276 + 380 + 7 + 0 + 0 + 3 + 0 = 666.
It is a super-3 number, since 3×276380700303 (a number of 32 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102036 + ... + 256295.
It is an arithmetic number, because the mean of its divisors is an integer number (1498813173).
Almost surely, 227638070030 is an apocalyptic number.
27638070030 is an abundant number, since it is smaller than the sum of its proper divisors (44304962274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27638070030 is a wasteful number, since it uses less digits than its factorization.
27638070030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359201 (or 359198 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The spelling of 27638070030 in words is "twenty-seven billion, six hundred thirty-eight million, seventy thousand, thirty".
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