Base | Representation |
---|---|
bin | 10101001001100001… |
… | …100001110000100000 |
3 | 2011121120210022211112 |
4 | 111021201201300200 |
5 | 333001320043042 |
6 | 14233155002452 |
7 | 1432506615551 |
oct | 251141416040 |
9 | 64546708745 |
10 | 22708362272 |
11 | 96a3307752 |
12 | 4498b99428 |
13 | 21ab82b66b |
14 | 1155c94328 |
15 | 8cd903982 |
hex | 549861c20 |
22708362272 has 54 divisors (see below), whose sum is σ = 47521939437. Its totient is φ = 10679468544.
The previous prime is 22708362223. The next prime is 22708362301. The reversal of 22708362272 is 27226380722.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 20783258896 + 1925103376 = 144164^2 + 43876^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=106556.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14490833 + ... + 14492399.
Almost surely, 222708362272 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 22708362272
22708362272 is an abundant number, since it is smaller than the sum of its proper divisors (24813577165).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22708362272 is an frugal number, since it uses more digits than its factorization.
22708362272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3178 (or 1586 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 41.
The spelling of 22708362272 in words is "twenty-two billion, seven hundred eight million, three hundred sixty-two thousand, two hundred seventy-two".
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