Base | Representation |
---|---|
bin | 10011000010010101… |
… | …001110101001101100 |
3 | 1221202111212110111120 |
4 | 103002111032221230 |
5 | 313330143322444 |
6 | 13220132420540 |
7 | 1322345645001 |
oct | 230225165154 |
9 | 57674773446 |
10 | 20440214124 |
11 | 8739a71450 |
12 | 3b65477750 |
13 | 1c09959375 |
14 | dbc9578a8 |
15 | 7e9724b19 |
hex | 4c254ea6c |
20440214124 has 48 divisors (see below), whose sum is σ = 52135767936. Its totient is φ = 6181369600.
The previous prime is 20440214083. The next prime is 20440214161. The reversal of 20440214124 is 42141204402.
It is a junction number, because it is equal to n+sod(n) for n = 20440214094 and 20440214103.
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, 92877 + ... + 222500.
It is an arithmetic number, because the mean of its divisors is an integer number (1086161832).
Almost surely, 220440214124 is an apocalyptic number.
It is an amenable number.
20440214124 is an abundant number, since it is smaller than the sum of its proper divisors (31695553812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20440214124 is a wasteful number, since it uses less digits than its factorization.
20440214124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315886 (or 315884 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 20440214124 its reverse (42141204402), we get a palindrome (62581418526).
The spelling of 20440214124 in words is "twenty billion, four hundred forty million, two hundred fourteen thousand, one hundred twenty-four".
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