Base | Representation |
---|---|
bin | 10011000010100011… |
… | …110011000011001110 |
3 | 1221202210001111022221 |
4 | 103002203303003032 |
5 | 313332133030410 |
6 | 13220350325554 |
7 | 1322423262265 |
oct | 230243630316 |
9 | 57683044287 |
10 | 20444033230 |
11 | 874113a835 |
12 | 3b667b98ba |
13 | 1c0a6957aa |
14 | dbd26d5dc |
15 | 7e9c2b4da |
hex | 4c28f30ce |
20444033230 has 64 divisors (see below), whose sum is σ = 41231213568. Its totient is φ = 7258155520.
The previous prime is 20444033221. The next prime is 20444033261. The reversal of 20444033230 is 3233044402.
It is a junction number, because it is equal to n+sod(n) for n = 20444033195 and 20444033204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240789 + ... + 314431.
It is an arithmetic number, because the mean of its divisors is an integer number (644237712).
Almost surely, 220444033230 is an apocalyptic number.
20444033230 is an abundant number, since it is smaller than the sum of its proper divisors (20787180338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20444033230 is a wasteful number, since it uses less digits than its factorization.
20444033230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73761.
The product of its (nonzero) digits is 6912, while the sum is 25.
Adding to 20444033230 its reverse (3233044402), we get a palindrome (23677077632).
The spelling of 20444033230 in words is "twenty billion, four hundred forty-four million, thirty-three thousand, two hundred thirty".
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