Base | Representation |
---|---|
bin | 10010101010100000… |
… | …001001101001101100 |
3 | 1220201122121000121120 |
4 | 102222200021221230 |
5 | 312020322032134 |
6 | 13112331500540 |
7 | 1306422536154 |
oct | 225240115154 |
9 | 56648530546 |
10 | 20040424044 |
11 | 855432a223 |
12 | 3a735b7750 |
13 | 1b74b8c4a4 |
14 | d81809764 |
15 | 7c45a3649 |
hex | 4aa809a6c |
20040424044 has 24 divisors (see below), whose sum is σ = 46803185520. Its totient is φ = 6674113344.
The previous prime is 20040423961. The next prime is 20040424049. The reversal of 20040424044 is 44042404002.
It is not an unprimeable number, because it can be changed into a prime (20040424049) 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, 739639 + ... + 766254.
It is an arithmetic number, because the mean of its divisors is an integer number (1950132730).
Almost surely, 220040424044 is an apocalyptic number.
It is an amenable number.
20040424044 is an abundant number, since it is smaller than the sum of its proper divisors (26762761476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20040424044 is a wasteful number, since it uses less digits than its factorization.
20040424044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1507009 (or 1507007 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 24.
Adding to 20040424044 its reverse (44042404002), we get a palindrome (64082828046).
The spelling of 20040424044 in words is "twenty billion, forty million, four hundred twenty-four thousand, forty-four".
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