Base | Representation |
---|---|
bin | 10010101000110001… |
… | …100011100100101000 |
3 | 1220122122001002022202 |
4 | 102220301203210220 |
5 | 311440411312412 |
6 | 13105414235332 |
7 | 1305621240011 |
oct | 225061434450 |
9 | 56578032282 |
10 | 20011432232 |
11 | 8539a28250 |
12 | 3a65955b48 |
13 | 1b6bb7b37c |
14 | d7ba20008 |
15 | 7c1c783c2 |
hex | 4a8c63928 |
20011432232 has 32 divisors (see below), whose sum is σ = 42252883200. Its totient is φ = 8802681600.
The previous prime is 20011432213. The next prime is 20011432247. The reversal of 20011432232 is 23223411002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3665057 + ... + 3670512.
It is an arithmetic number, because the mean of its divisors is an integer number (1320402600).
Almost surely, 220011432232 is an apocalyptic number.
20011432232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20011432232 is an abundant number, since it is smaller than the sum of its proper divisors (22241450968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20011432232 is a wasteful number, since it uses less digits than its factorization.
20011432232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7335617 (or 7335613 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 20011432232 its reverse (23223411002), we get a palindrome (43234843234).
The spelling of 20011432232 in words is "twenty billion, eleven million, four hundred thirty-two thousand, two hundred thirty-two".
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