Base | Representation |
---|---|
bin | 10010110110100101… |
… | …110011100001011100 |
3 | 1221020210012210000012 |
4 | 102312211303201130 |
5 | 312424231422420 |
6 | 13144414422352 |
7 | 1314434432414 |
oct | 226645634134 |
9 | 57223183005 |
10 | 20243232860 |
11 | 8648860514 |
12 | 3b0b5019b8 |
13 | 1ba7bbb0c6 |
14 | da071d644 |
15 | 7d72b4dc5 |
hex | 4b697385c |
20243232860 has 24 divisors (see below), whose sum is σ = 42545207040. Its totient is φ = 8090737344.
The previous prime is 20243232853. The next prime is 20243232869. The reversal of 20243232860 is 6823234202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20243232869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384380 + ... + 433859.
It is an arithmetic number, because the mean of its divisors is an integer number (1772716960).
Almost surely, 220243232860 is an apocalyptic number.
20243232860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20243232860 is an abundant number, since it is smaller than the sum of its proper divisors (22301974180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20243232860 is a wasteful number, since it uses less digits than its factorization.
20243232860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819485 (or 819483 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
The spelling of 20243232860 in words is "twenty billion, two hundred forty-three million, two hundred thirty-two thousand, eight hundred sixty".
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