| Base | Representation |
|---|---|
| bin | 1000001111001110… |
| … | …0110011010111100 |
| 3 | 12201010000210222000 |
| 4 | 2003303212122330 |
| 5 | 14012100421022 |
| 6 | 1003232422300 |
| 7 | 105541045155 |
| oct | 20363463274 |
| 9 | 5633023860 |
| 10 | 2211342012 |
| 11 | a35276a90 |
| 12 | 5186a7990 |
| 13 | 2931a2cc9 |
| 14 | 16d99092c |
| 15 | ce20c6ac |
| hex | 83ce66bc |
2211342012 has 96 divisors (see below), whose sum is σ = 6263927040. Its totient is φ = 669072960.
The previous prime is 2211341987. The next prime is 2211342019. The reversal of 2211342012 is 2102431122.
It is a happy number.
2211342012 is a `hidden beast` number, since 221 + 13 + 420 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2211342019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1183503 + ... + 1185369.
It is an arithmetic number, because the mean of its divisors is an integer number (65249240).
Almost surely, 22211342012 is an apocalyptic number.
2211342012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2211342012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131963520).
2211342012 is an abundant number, since it is smaller than the sum of its proper divisors (4052585028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2211342012 is a wasteful number, since it uses less digits than its factorization.
2211342012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2888 (or 2880 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2211342012 is about 47024.9084209635. The cubic root of 2211342012 is about 1302.8226659728.
Adding to 2211342012 its reverse (2102431122), we get a palindrome (4313773134).
The spelling of 2211342012 in words is "two billion, two hundred eleven million, three hundred forty-two thousand, twelve".
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