| Base | Representation |
|---|---|
| bin | 1000101011110100… |
| … | …1101100101001100 |
| 3 | 20000110202102102200 |
| 4 | 2022331031211030 |
| 5 | 14233303132340 |
| 6 | 1023155521500 |
| 7 | 111525512322 |
| oct | 21275154514 |
| 9 | 6013672380 |
| 10 | 2331302220 |
| 11 | a96a60955 |
| 12 | 5508b9290 |
| 13 | 2b1cb4a90 |
| 14 | 181899d12 |
| 15 | d9a06330 |
| hex | 8af4d94c |
2331302220 has 144 divisors (see below), whose sum is σ = 7638863232. Its totient is φ = 572106240.
The previous prime is 2331302213. The next prime is 2331302227. The reversal of 2331302220 is 222031332.
It is a happy number.
2331302220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2331302213) and next prime (2331302227).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2331302193 and 2331302202.
It is not an unprimeable number, because it can be changed into a prime (2331302227) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 871485 + ... + 874155.
Almost surely, 22331302220 is an apocalyptic number.
2331302220 is a gapful number since it is divisible by the number (20) 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 2331302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3819431616).
2331302220 is an abundant number, since it is smaller than the sum of its proper divisors (5307561012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2331302220 is a wasteful number, since it uses less digits than its factorization.
2331302220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3072 (or 3067 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2331302220 is about 48283.5605563633. The cubic root of 2331302220 is about 1325.9674377595.
Adding to 2331302220 its reverse (222031332), we get a palindrome (2553333552).
The spelling of 2331302220 in words is "two billion, three hundred thirty-one million, three hundred two thousand, two hundred twenty".
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