Base | Representation |
---|---|
bin | 111111011111000… |
… | …1001010100101100 |
3 | 12111110101101221100 |
4 | 1332332021110230 |
5 | 13330314022312 |
6 | 551214003100 |
7 | 103534400622 |
oct | 17676112454 |
9 | 5443341840 |
10 | 2130220332 |
11 | 9a34aa079 |
12 | 4b54a6490 |
13 | 27c43c206 |
14 | 162cb5512 |
15 | c70365dc |
hex | 7ef8952c |
2130220332 has 36 divisors (see below), whose sum is σ = 5386222296. Its totient is φ = 709875840.
The previous prime is 2130220331. The next prime is 2130220333. The reversal of 2130220332 is 2330220312.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2130220331) and next prime (2130220333).
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×21302203323 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2130220331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185107 + ... + 196277.
It is an arithmetic number, because the mean of its divisors is an integer number (149617286).
Almost surely, 22130220332 is an apocalyptic number.
It is an amenable number.
2130220332 is an abundant number, since it is smaller than the sum of its proper divisors (3256001964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130220332 is a wasteful number, since it uses less digits than its factorization.
2130220332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16478 (or 16473 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2130220332 is about 46154.3100045922. The cubic root of 2130220332 is about 1286.6927142957.
Adding to 2130220332 its reverse (2330220312), we get a palindrome (4460440644).
The spelling of 2130220332 in words is "two billion, one hundred thirty million, two hundred twenty thousand, three hundred thirty-two".
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