Base | Representation |
---|---|
bin | 111110111101001… |
… | …0100101100111000 |
3 | 12110012221010110220 |
4 | 1331322110230320 |
5 | 13311241104034 |
6 | 545340540040 |
7 | 103230311352 |
oct | 17572245470 |
9 | 5405833426 |
10 | 2112441144 |
11 | 994466330 |
12 | 4ab551620 |
13 | 278855898 |
14 | 1607a80d2 |
15 | c56c3749 |
hex | 7de94b38 |
2112441144 has 64 divisors (see below), whose sum is σ = 5766215040. Its totient is φ = 639576960.
The previous prime is 2112441139. The next prime is 2112441169. The reversal of 2112441144 is 4411442112.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
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, 380839 + ... + 386345.
It is an arithmetic number, because the mean of its divisors is an integer number (90097110).
Almost surely, 22112441144 is an apocalyptic number.
2112441144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2112441144 is an abundant number, since it is smaller than the sum of its proper divisors (3653773896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112441144 is a wasteful number, since it uses less digits than its factorization.
2112441144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6980 (or 6976 counting only the distinct ones).
The product of its digits is 1024, while the sum is 24.
The square root of 2112441144 is about 45961.3005037934. The cubic root of 2112441144 is about 1283.1030556106.
Adding to 2112441144 its reverse (4411442112), we get a palindrome (6523883256).
The spelling of 2112441144 in words is "two billion, one hundred twelve million, four hundred forty-one thousand, one hundred forty-four".
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