Base | Representation |
---|---|
bin | 100111001101100110… |
… | …011100000101010000 |
3 | 11000200022022110202211 |
4 | 213031212130011100 |
5 | 1142212123031230 |
6 | 31201541121504 |
7 | 3020244020326 |
oct | 471546340520 |
9 | 130608273684 |
10 | 42104111440 |
11 | 16946745116 |
12 | 81b06b9294 |
13 | 3c7cc7c911 |
14 | 2075c07d16 |
15 | 11665b242a |
hex | 9cd99c150 |
42104111440 has 40 divisors (see below), whose sum is σ = 97959980160. Its totient is φ = 16829959296.
The previous prime is 42104111437. The next prime is 42104111449. The reversal of 42104111440 is 4411140124.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42104111449) 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, 66100 + ... + 297619.
It is an arithmetic number, because the mean of its divisors is an integer number (2448999504).
Almost surely, 242104111440 is an apocalyptic number.
42104111440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42104111440 is an abundant number, since it is smaller than the sum of its proper divisors (55855868720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42104111440 is a wasteful number, since it uses less digits than its factorization.
42104111440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365179 (or 365173 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
Adding to 42104111440 its reverse (4411140124), we get a palindrome (46515251564).
The spelling of 42104111440 in words is "forty-two billion, one hundred four million, one hundred eleven thousand, four hundred forty".
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