Base | Representation |
---|---|
bin | 10010101000011011… |
… | …000101100101011000 |
3 | 1220122012221211202121 |
4 | 102220123011211120 |
5 | 311432404322412 |
6 | 13105044111024 |
7 | 1305520206004 |
oct | 225033054530 |
9 | 56565854677 |
10 | 20005542232 |
11 | 8536674a85 |
12 | 3a63995474 |
13 | 1b6a898470 |
14 | d7ad29704 |
15 | 7c14b3107 |
hex | 4a86c5958 |
20005542232 has 64 divisors (see below), whose sum is σ = 43512053760. Its totient is φ = 8546947200.
The previous prime is 20005542229. The next prime is 20005542241. The reversal of 20005542232 is 23224550002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20005542197 and 20005542206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60744 + ... + 209047.
It is an arithmetic number, because the mean of its divisors is an integer number (679875840).
Almost surely, 220005542232 is an apocalyptic number.
It is an amenable number.
20005542232 is an abundant number, since it is smaller than the sum of its proper divisors (23506511528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20005542232 is a wasteful number, since it uses less digits than its factorization.
20005542232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269864 (or 269860 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The spelling of 20005542232 in words is "twenty billion, five million, five hundred forty-two thousand, two hundred thirty-two".
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