Base | Representation |
---|---|
bin | 1011100101100000… |
… | …1010111100000101 |
3 | 22000202020112020212 |
4 | 2321120022330011 |
5 | 22332142334341 |
6 | 1232340405205 |
7 | 140033410544 |
oct | 27130127405 |
9 | 8022215225 |
10 | 3110121221 |
11 | 1356645119 |
12 | 7296a6805 |
13 | 3a745cb1c |
14 | 2170b015b |
15 | 1330975eb |
hex | b960af05 |
3110121221 has 16 divisors (see below), whose sum is σ = 3280742400. Its totient is φ = 2944393200.
The previous prime is 3110121193. The next prime is 3110121257. The reversal of 3110121221 is 1221210113.
It is a cyclic number.
It is not a de Polignac number, because 3110121221 - 222 = 3105926917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3110121196 and 3110121205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3110121281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381890 + ... + 389948.
It is an arithmetic number, because the mean of its divisors is an integer number (205046400).
Almost surely, 23110121221 is an apocalyptic number.
3110121221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
3110121221 is a deficient number, since it is larger than the sum of its proper divisors (170621179).
3110121221 is a wasteful number, since it uses less digits than its factorization.
3110121221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8360.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 3110121221 is about 55768.4608089555. The cubic root of 3110121221 is about 1459.6848667758.
Adding to 3110121221 its reverse (1221210113), we get a palindrome (4331331334).
The spelling of 3110121221 in words is "three billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-one".
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