Base | Representation |
---|---|
bin | 1100111000001001010… |
… | …1100110100001101010 |
3 | 210011000220100002211000 |
4 | 3032002111212201222 |
5 | 12111034342024002 |
6 | 245344235215430 |
7 | 21661200152646 |
oct | 3160225464152 |
9 | 704026302730 |
10 | 221230033002 |
11 | 8590664a220 |
12 | 36a615a7576 |
13 | 17b287a5294 |
14 | a9c98b3c26 |
15 | 5b4c1ae61c |
hex | 338256686a |
221230033002 has 64 divisors (see below), whose sum is σ = 536405022720. Its totient is φ = 67028180400.
The previous prime is 221230032931. The next prime is 221230033009. The reversal of 221230033002 is 200330032122.
It is a happy number.
221230033002 is a `hidden beast` number, since 22 + 12 + 300 + 330 + 0 + 2 = 666.
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 (221230033009) 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 31 ways as a sum of consecutive naturals, for example, 3946623 + ... + 4002285.
It is an arithmetic number, because the mean of its divisors is an integer number (8381328480).
Almost surely, 2221230033002 is an apocalyptic number.
221230033002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
221230033002 is an abundant number, since it is smaller than the sum of its proper divisors (315174989718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221230033002 is a wasteful number, since it uses less digits than its factorization.
221230033002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62376 (or 62370 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 221230033002 its reverse (200330032122), we get a palindrome (421560065124).
The spelling of 221230033002 in words is "two hundred twenty-one billion, two hundred thirty million, thirty-three thousand, two".
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