Base | Representation |
---|---|
bin | 10100110101010110… |
… | …011010101100100000 |
3 | 2010201222220221100022 |
4 | 110311112122230200 |
5 | 331303143433230 |
6 | 14135424413012 |
7 | 1421230026131 |
oct | 246526325440 |
9 | 63658827308 |
10 | 22369905440 |
11 | 953a257063 |
12 | 4403777168 |
13 | 215668754c |
14 | 1122d4dc88 |
15 | 8add4a1e5 |
hex | 53559ab20 |
22369905440 has 48 divisors (see below), whose sum is σ = 53517905280. Its totient is φ = 8834691840.
The previous prime is 22369905431. The next prime is 22369905449. The reversal of 22369905440 is 4450996322.
It is an interprime number because it is at equal distance from previous prime (22369905431) and next prime (22369905449).
It is a junction number, because it is equal to n+sod(n) for n = 22369905391 and 22369905400.
It is not an unprimeable number, because it can be changed into a prime (22369905449) 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, 872246 + ... + 897525.
It is an arithmetic number, because the mean of its divisors is an integer number (1114956360).
Almost surely, 222369905440 is an apocalyptic number.
22369905440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22369905440 is an abundant number, since it is smaller than the sum of its proper divisors (31147999840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22369905440 is a wasteful number, since it uses less digits than its factorization.
22369905440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769865 (or 1769857 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 44.
The spelling of 22369905440 in words is "twenty-two billion, three hundred sixty-nine million, nine hundred five thousand, four hundred forty".
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