Base | Representation |
---|---|
bin | 10011000010011100… |
… | …011100001001011100 |
3 | 1221202122102111111020 |
4 | 103002130130021130 |
5 | 313331134320122 |
6 | 13220241124140 |
7 | 1322401010022 |
oct | 230234341134 |
9 | 57678374436 |
10 | 20442104412 |
11 | 8740042674 |
12 | 3b66029650 |
13 | 1c0a16b892 |
14 | dbccca712 |
15 | 7e9999c5c |
hex | 4c271c25c |
20442104412 has 48 divisors (see below), whose sum is σ = 48432139392. Its totient is φ = 6709285440.
The previous prime is 20442104407. The next prime is 20442104443. The reversal of 20442104412 is 21440124402.
It is a super-2 number, since 2×204421044122 (a number of 21 digits) contains 22 as substring.
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, 2377962 + ... + 2386542.
It is an arithmetic number, because the mean of its divisors is an integer number (1009002904).
Almost surely, 220442104412 is an apocalyptic number.
It is an amenable number.
20442104412 is an abundant number, since it is smaller than the sum of its proper divisors (27990034980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20442104412 is a wasteful number, since it uses less digits than its factorization.
20442104412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11618 (or 11616 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 20442104412 its reverse (21440124402), we get a palindrome (41882228814).
The spelling of 20442104412 in words is "twenty billion, four hundred forty-two million, one hundred four thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •