| Base | Representation |
|---|---|
| bin | 1000010011111100… |
| … | …0000111011110100 |
| 3 | 12202111020012111000 |
| 4 | 2010333000323310 |
| 5 | 14032131031122 |
| 6 | 1005220243300 |
| 7 | 106201063665 |
| oct | 20477007364 |
| 9 | 5674205430 |
| 10 | 2231111412 |
| 11 | a4544a032 |
| 12 | 523240530 |
| 13 | 29730548a |
| 14 | 17245936c |
| 15 | d0d150ac |
| hex | 84fc0ef4 |
2231111412 has 96 divisors (see below), whose sum is σ = 6096303360. Its totient is φ = 704246400.
The previous prime is 2231111411. The next prime is 2231111419. The reversal of 2231111412 is 2141111322.
2231111412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×22311114123 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231111411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246438 + ... + 255330.
It is an arithmetic number, because the mean of its divisors is an integer number (63503160).
Almost surely, 22231111412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2231111412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048151680).
2231111412 is an abundant number, since it is smaller than the sum of its proper divisors (3865191948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231111412 is a wasteful number, since it uses less digits than its factorization.
2231111412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9030 (or 9022 counting only the distinct ones).
The product of its digits is 96, while the sum is 18.
The square root of 2231111412 is about 47234.6420754937. The cubic root of 2231111412 is about 1306.6935655241.
Adding to 2231111412 its reverse (2141111322), we get a palindrome (4372222734).
The spelling of 2231111412 in words is "two billion, two hundred thirty-one million, one hundred eleven thousand, four hundred twelve".
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