| Base | Representation |
|---|---|
| bin | 1100010100011111… |
| … | …1110010100011100 |
| 3 | 22112111002021000022 |
| 4 | 3011013332110130 |
| 5 | 23233120424240 |
| 6 | 1304100451312 |
| 7 | 144645515546 |
| oct | 30507762434 |
| 9 | 8474067008 |
| 10 | 3307201820 |
| 11 | 144791374a |
| 12 | 7836a9b38 |
| 13 | 409234370 |
| 14 | 235332696 |
| 15 | 1455269b5 |
| hex | c51fe51c |
3307201820 has 48 divisors (see below), whose sum is σ = 7503444480. Its totient is φ = 1217189376.
The previous prime is 3307201787. The next prime is 3307201829. The reversal of 3307201820 is 281027033.
It is a super-2 number, since 2×33072018202 = 21875167756422624800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 3307201820.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3307201829) 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 15 ways as a sum of consecutive naturals, for example, 61061 + ... + 101699.
It is an arithmetic number, because the mean of its divisors is an integer number (156321760).
Almost surely, 23307201820 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 3307201820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3751722240).
3307201820 is an abundant number, since it is smaller than the sum of its proper divisors (4196242660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3307201820 is a wasteful number, since it uses less digits than its factorization.
3307201820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40974 (or 40972 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 3307201820 is about 57508.2761000536. The cubic root of 3307201820 is about 1489.8878074166.
Adding to 3307201820 its reverse (281027033), we get a palindrome (3588228853).
The spelling of 3307201820 in words is "three billion, three hundred seven million, two hundred one thousand, eight hundred twenty".
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