Base | Representation |
---|---|
bin | 110011111001010011… |
… | …0101110010110100000 |
3 | 101122122202100010010010 |
4 | 1213302212232112200 |
5 | 3311214232420000 |
6 | 123110304404520 |
7 | 11023460640324 |
oct | 1476246562640 |
9 | 348582303103 |
10 | 111444420000 |
11 | 43299519251 |
12 | 19722616740 |
13 | a68082bcb4 |
14 | 5572d79984 |
15 | 2d73d13d50 |
hex | 19f29ae5a0 |
111444420000 has 120 divisors (see below), whose sum is σ = 365560183296. Its totient is φ = 29718496000.
The previous prime is 111444419993. The next prime is 111444420001. The reversal of 111444420000 is 24444111.
It is a tau number, because it is divible by the number of its divisors (120).
It is not an unprimeable number, because it can be changed into a prime (111444420001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 868704 + ... + 988703.
Almost surely, 2111444420000 is an apocalyptic number.
111444420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
111444420000 is an abundant number, since it is smaller than the sum of its proper divisors (254115763296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111444420000 is an equidigital number, since it uses as much as digits as its factorization.
111444420000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1857440 (or 1857417 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 111444420000 its reverse (24444111), we get a palindrome (111468864111).
The spelling of 111444420000 in words is "one hundred eleven billion, four hundred forty-four million, four hundred twenty thousand".
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