Base | Representation |
---|---|
bin | 1100010101111101… |
… | …0010001010100100 |
3 | 22112220120201011211 |
4 | 3011133102022210 |
5 | 23241201444140 |
6 | 1304435441204 |
7 | 145051455655 |
oct | 30537221244 |
9 | 8486521154 |
10 | 3313312420 |
11 | 1450307730 |
12 | 785756204 |
13 | 40a5937c2 |
14 | 23608352c |
15 | 145d322ea |
hex | c57d22a4 |
3313312420 has 96 divisors (see below), whose sum is σ = 7730835840. Its totient is φ = 1182781440.
The previous prime is 3313312367. The next prime is 3313312421. The reversal of 3313312420 is 242133133.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 3313312391 and 3313312400.
It is not an unprimeable number, because it can be changed into a prime (3313312421) 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, 2965702 + ... + 2966818.
It is an arithmetic number, because the mean of its divisors is an integer number (80529540).
Almost surely, 23313312420 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 3313312420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865417920).
3313312420 is an abundant number, since it is smaller than the sum of its proper divisors (4417523420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3313312420 is a wasteful number, since it uses less digits than its factorization.
3313312420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1373 (or 1371 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 3313312420 is about 57561.3795873587. The cubic root of 3313312420 is about 1490.8048472150.
Adding to 3313312420 its reverse (242133133), we get a palindrome (3555445553).
The spelling of 3313312420 in words is "three billion, three hundred thirteen million, three hundred twelve thousand, four hundred twenty".
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