Base | Representation |
---|---|
bin | 10100111011110100… |
… | …001000111110000010 |
3 | 2011000120000000122112 |
4 | 110323310020332002 |
5 | 332013430013300 |
6 | 14154301135322 |
7 | 1424014624400 |
oct | 247364107602 |
9 | 64016000575 |
10 | 22478360450 |
11 | 95954a29a7 |
12 | 4433b5a542 |
13 | 2172c9b600 |
14 | 1133502470 |
15 | 8b861ee35 |
hex | 53bd08f82 |
22478360450 has 162 divisors, whose sum is σ = 52891835409. Its totient is φ = 7083498240.
The previous prime is 22478360447. The next prime is 22478360459. The reversal of 22478360450 is 5406387422.
It can be written as a sum of positive squares in 14 ways, for example, as 12696557041 + 9781803409 = 112679^2 + 98903^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=106015.
It is a junction number, because it is equal to n+sod(n) for n = 22478360398 and 22478360407.
It is not an unprimeable number, because it can be changed into a prime (22478360459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 96473534 + ... + 96473766.
Almost surely, 222478360450 is an apocalyptic number.
22478360450 is an abundant number, since it is smaller than the sum of its proper divisors (30413474959).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22478360450 is a wasteful number, since it uses less digits than its factorization.
22478360450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 518 (or 260 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 41.
The spelling of 22478360450 in words is "twenty-two billion, four hundred seventy-eight million, three hundred sixty thousand, four hundred fifty".
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