Base | Representation |
---|---|
bin | 100000001101011001000… |
… | …100010000010110100100 |
3 | 21211121011211012021222111 |
4 | 200031121010100112210 |
5 | 242231022011221340 |
6 | 4412453440010404 |
7 | 315625114234261 |
oct | 40153104202644 |
9 | 7747154167874 |
10 | 2213402445220 |
11 | 783775a8249a |
12 | 2b8b80000a04 |
13 | 1309524417b5 |
14 | 791b493a268 |
15 | 3c897d9baea |
hex | 203591105a4 |
2213402445220 has 48 divisors (see below), whose sum is σ = 4708317519360. Its totient is φ = 873918487296.
The previous prime is 2213402445181. The next prime is 2213402445259. The reversal of 2213402445220 is 225442043122.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2213402445181) and next prime (2213402445259).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283629 + ... + 2464651.
It is an arithmetic number, because the mean of its divisors is an integer number (98089948320).
Almost surely, 22213402445220 is an apocalyptic number.
2213402445220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2213402445220 is an abundant number, since it is smaller than the sum of its proper divisors (2494915074140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213402445220 is a wasteful number, since it uses less digits than its factorization.
2213402445220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182244 (or 1182242 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 31.
Adding to 2213402445220 its reverse (225442043122), we get a palindrome (2438844488342).
The spelling of 2213402445220 in words is "two trillion, two hundred thirteen billion, four hundred two million, four hundred forty-five thousand, two hundred twenty".
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