Base | Representation |
---|---|
bin | 10011011100100110… |
… | …001100101101010011 |
3 | 1222220020001010000222 |
4 | 103130212030231103 |
5 | 320231000321402 |
6 | 13331553303255 |
7 | 1336306316450 |
oct | 233446145523 |
9 | 58806033028 |
10 | 20880870227 |
11 | 8945785948 |
12 | 4068b64b2b |
13 | 1c7a034019 |
14 | 10212a2827 |
15 | 8232697a2 |
hex | 4dc98cb53 |
20880870227 has 16 divisors (see below), whose sum is σ = 24356290560. Its totient is φ = 17532129888.
The previous prime is 20880870119. The next prime is 20880870233. The reversal of 20880870227 is 72207808802.
It is a happy number.
It is not a de Polignac number, because 20880870227 - 226 = 20813761363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20880873227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78428 + ... + 218889.
It is an arithmetic number, because the mean of its divisors is an integer number (1522268160).
Almost surely, 220880870227 is an apocalyptic number.
20880870227 is a deficient number, since it is larger than the sum of its proper divisors (3475420333).
20880870227 is a wasteful number, since it uses less digits than its factorization.
20880870227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297530.
The product of its (nonzero) digits is 200704, while the sum is 44.
The spelling of 20880870227 in words is "twenty billion, eight hundred eighty million, eight hundred seventy thousand, two hundred twenty-seven".
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