Base | Representation |
---|---|
bin | 10100101011010101… |
… | …111111010011011000 |
3 | 2010022022000112022001 |
4 | 110223111333103120 |
5 | 330432204133310 |
6 | 14111030210344 |
7 | 1414121031301 |
oct | 245325772330 |
9 | 63268015261 |
10 | 22202021080 |
11 | 946350a058 |
12 | 43774b39b4 |
13 | 212a9661a5 |
14 | 110892b7a8 |
15 | 89e23693a |
hex | 52b57f4d8 |
22202021080 has 64 divisors (see below), whose sum is σ = 52945928640. Its totient is φ = 8350052352.
The previous prime is 22202020969. The next prime is 22202021081. The reversal of 22202021080 is 8012020222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22202021081) 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, 686637 + ... + 718243.
It is an arithmetic number, because the mean of its divisors is an integer number (827280135).
Almost surely, 222202021080 is an apocalyptic number.
22202021080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22202021080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26472964320).
22202021080 is an abundant number, since it is smaller than the sum of its proper divisors (30743907560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22202021080 is a wasteful number, since it uses less digits than its factorization.
22202021080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32668 (or 32664 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
The spelling of 22202021080 in words is "twenty-two billion, two hundred two million, twenty-one thousand, eighty".
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