Base | Representation |
---|---|
bin | 100000010100110111101… |
… | …110000111111000010000 |
3 | 21212100220110222011212121 |
4 | 200110313232013320100 |
5 | 242343443312223213 |
6 | 4420302345104024 |
7 | 316331115231631 |
oct | 40246756077020 |
9 | 7770813864777 |
10 | 2221432929808 |
11 | 787116a81414 |
12 | 2ba641488014 |
13 | 131632099321 |
14 | 7973729b888 |
15 | 3cbb7db988d |
hex | 20537b87e10 |
2221432929808 has 20 divisors (see below), whose sum is σ = 4442865860608. Its totient is φ = 1074886901280.
The previous prime is 2221432929731. The next prime is 2221432929829. The reversal of 2221432929808 is 8089292341222.
2221432929808 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239347216 + ... + 2239348207.
Almost surely, 22221432929808 is an apocalyptic number.
It is an amenable number.
2221432929808 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221432929808 is a wasteful number, since it uses less digits than its factorization.
2221432929808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4478695462 (or 4478695456 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 52.
The spelling of 2221432929808 in words is "two trillion, two hundred twenty-one billion, four hundred thirty-two million, nine hundred twenty-nine thousand, eight hundred eight".
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