Base | Representation |
---|---|
bin | 10101001111111000… |
… | …101101111101001101 |
3 | 2011220000122102010011 |
4 | 111033320231331031 |
5 | 333211131323340 |
6 | 14251530513221 |
7 | 1435244122441 |
oct | 251770557515 |
9 | 64800572104 |
10 | 22815104845 |
11 | 9748593a55 |
12 | 4508895811 |
13 | 21c7993150 |
14 | 116611c821 |
15 | 8d7e8b0ea |
hex | 54fe2df4d |
22815104845 has 16 divisors (see below), whose sum is σ = 29497087872. Its totient is φ = 16840676160.
The previous prime is 22815104831. The next prime is 22815104903. The reversal of 22815104845 is 54840151822.
It is not a de Polignac number, because 22815104845 - 223 = 22806716237 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22815104798 and 22815104807.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74274 + ... + 226156.
It is an arithmetic number, because the mean of its divisors is an integer number (1843567992).
Almost surely, 222815104845 is an apocalyptic number.
It is an amenable number.
22815104845 is a deficient number, since it is larger than the sum of its proper divisors (6681983027).
22815104845 is a wasteful number, since it uses less digits than its factorization.
22815104845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154212.
The product of its (nonzero) digits is 102400, while the sum is 40.
The spelling of 22815104845 in words is "twenty-two billion, eight hundred fifteen million, one hundred four thousand, eight hundred forty-five".
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