Base | Representation |
---|---|
bin | 10011001001000000… |
… | …001101001011111110 |
3 | 1222001022111001220020 |
4 | 103021000031023332 |
5 | 314042322043424 |
6 | 13235211433010 |
7 | 1325205224022 |
oct | 231100151376 |
9 | 58038431806 |
10 | 20552143614 |
11 | 8797170762 |
12 | 3b96a55766 |
13 | 1c26bb8a32 |
14 | dcd772382 |
15 | 804484079 |
hex | 4c900d2fe |
20552143614 has 32 divisors (see below), whose sum is σ = 41381863200. Its totient is φ = 6804529152.
The previous prime is 20552143613. The next prime is 20552143669. The reversal of 20552143614 is 41634125502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20552143613) 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, 1129662 + ... + 1147710.
It is an arithmetic number, because the mean of its divisors is an integer number (1293183225).
Almost surely, 220552143614 is an apocalyptic number.
20552143614 is an abundant number, since it is smaller than the sum of its proper divisors (20829719586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20552143614 is a wasteful number, since it uses less digits than its factorization.
20552143614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19324.
The product of its (nonzero) digits is 28800, while the sum is 33.
The spelling of 20552143614 in words is "twenty billion, five hundred fifty-two million, one hundred forty-three thousand, six hundred fourteen".
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