Base | Representation |
---|---|
bin | 10100011111111001… |
… | …001110111010110000 |
3 | 2002210220120110122210 |
4 | 110133321032322300 |
5 | 330034020332423 |
6 | 14040005132120 |
7 | 1406266230204 |
oct | 243771167260 |
9 | 62726513583 |
10 | 22009933488 |
11 | 9375040884 |
12 | 43230ba040 |
13 | 20c9c1c4aa |
14 | 10cb208b04 |
15 | 88c441b93 |
hex | 51fe4eeb0 |
22009933488 has 80 divisors (see below), whose sum is σ = 60023936000. Its totient is φ = 6930489600.
The previous prime is 22009933483. The next prime is 22009933489. The reversal of 22009933488 is 88433990022.
It is a super-2 number, since 2×220099334882 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (22009933481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283713 + ... + 352863.
It is an arithmetic number, because the mean of its divisors is an integer number (750299200).
Almost surely, 222009933488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22009933488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30011968000).
22009933488 is an abundant number, since it is smaller than the sum of its proper divisors (38014002512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22009933488 is a wasteful number, since it uses less digits than its factorization.
22009933488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69530 (or 69524 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 48.
The spelling of 22009933488 in words is "twenty-two billion, nine million, nine hundred thirty-three thousand, four hundred eighty-eight".
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