Base | Representation |
---|---|
bin | 10100101110000110… |
… | …001101100100110000 |
3 | 2010102111221112000121 |
4 | 110232012031210300 |
5 | 331031020420010 |
6 | 14115400300024 |
7 | 1415221503031 |
oct | 245606154460 |
9 | 63374845017 |
10 | 22248216880 |
11 | 94875a16aa |
12 | 438aa71614 |
13 | 21373bbb96 |
14 | 1110b14a88 |
15 | 8a330e3da |
hex | 52e18d930 |
22248216880 has 40 divisors (see below), whose sum is σ = 54769878432. Its totient is φ = 8375798784.
The previous prime is 22248216853. The next prime is 22248216889. The reversal of 22248216880 is 8861284222.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (22248216889) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8178132 + ... + 8180851.
Almost surely, 222248216880 is an apocalyptic number.
22248216880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22248216880 is an abundant number, since it is smaller than the sum of its proper divisors (32521661552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22248216880 is a wasteful number, since it uses less digits than its factorization.
22248216880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16359013 (or 16359007 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 43.
The spelling of 22248216880 in words is "twenty-two billion, two hundred forty-eight million, two hundred sixteen thousand, eight hundred eighty".
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