Base | Representation |
---|---|
bin | 1100101110111111000010… |
… | …10111110011100011111010 |
3 | 10200011000210102102010221222 |
4 | 12113133201113303203322 |
5 | 12132243433231313410 |
6 | 135320130024032042 |
7 | 5620061224324241 |
oct | 627374127634372 |
9 | 120130712363858 |
10 | 28002672916730 |
11 | 8a16959919166 |
12 | 3183132602622 |
13 | 128184389b115 |
14 | 6cb49d8bd958 |
15 | 3386317d1955 |
hex | 1977e15f38fa |
28002672916730 has 8 divisors (see below), whose sum is σ = 50404811250132. Its totient is φ = 11201069166688.
The previous prime is 28002672916717. The next prime is 28002672916733. The reversal of 28002672916730 is 3761927620082.
It can be written as a sum of positive squares in 2 ways, for example, as 26943397634209 + 1059275282521 = 5190703^2 + 1029211^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28002672916733) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400133645827 + ... + 1400133645846.
Almost surely, 228002672916730 is an apocalyptic number.
28002672916730 is a deficient number, since it is larger than the sum of its proper divisors (22402138333402).
28002672916730 is a wasteful number, since it uses less digits than its factorization.
28002672916730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2800267291680.
The product of its (nonzero) digits is 3048192, while the sum is 53.
The spelling of 28002672916730 in words is "twenty-eight trillion, two billion, six hundred seventy-two million, nine hundred sixteen thousand, seven hundred thirty".
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