Base | Representation |
---|---|
bin | 100101010000010011… |
… | …101100001000011010 |
3 | 10211020210220101221120 |
4 | 211100103230020122 |
5 | 1123411010410232 |
6 | 30213210350110 |
7 | 2614200524163 |
oct | 452023541032 |
9 | 124223811846 |
10 | 40002044442 |
11 | 15a68125068 |
12 | 790472b336 |
13 | 3a06619ca9 |
14 | 1d1698076a |
15 | 1091c8c92c |
hex | 9504ec21a |
40002044442 has 8 divisors (see below), whose sum is σ = 80004088896. Its totient is φ = 13334014812.
The previous prime is 40002044431. The next prime is 40002044443. The reversal of 40002044442 is 24444020004.
It is a sphenic number, since it is the product of 3 distinct primes.
40002044442 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (40002044443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333503698 + ... + 3333503709.
It is an arithmetic number, because the mean of its divisors is an integer number (10000511112).
Almost surely, 240002044442 is an apocalyptic number.
40002044442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40002044442 is a wasteful number, since it uses less digits than its factorization.
40002044442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6667007412.
The product of its (nonzero) digits is 4096, while the sum is 24.
Adding to 40002044442 its reverse (24444020004), we get a palindrome (64446064446).
The spelling of 40002044442 in words is "forty billion, two million, forty-four thousand, four hundred forty-two".
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