Base | Representation |
---|---|
bin | 1110100101001001… |
… | …10010110100101100 |
3 | 202012112102212100000 |
4 | 13102210302310230 |
5 | 112012410444022 |
6 | 3332425304300 |
7 | 364660304004 |
oct | 72244626454 |
9 | 22175385300 |
10 | 7827828012 |
11 | 3357672054 |
12 | 1625635090 |
13 | 9799802c4 |
14 | 54388b004 |
15 | 30c33b6ac |
hex | 1d2932d2c |
7827828012 has 72 divisors (see below), whose sum is σ = 21599905600. Its totient is φ = 2471939856.
The previous prime is 7827827999. The next prime is 7827828017. The reversal of 7827828012 is 2108287287.
It is a super-2 number, since 2×78278280122 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7827828017) 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, 193462 + ... + 230397.
Almost surely, 27827828012 is an apocalyptic number.
It is an amenable number.
7827828012 is an abundant number, since it is smaller than the sum of its proper divisors (13772077588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7827828012 is a wasteful number, since it uses less digits than its factorization.
7827828012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423897 (or 423883 counting only the distinct ones).
The product of its (nonzero) digits is 200704, while the sum is 45.
The square root of 7827828012 is about 88475.0134896853. The cubic root of 7827828012 is about 1985.5481579938.
The spelling of 7827828012 in words is "seven billion, eight hundred twenty-seven million, eight hundred twenty-eight thousand, twelve".
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