Base | Representation |
---|---|
bin | 10101001000001111… |
… | …100010010101111100 |
3 | 2011120002100100102020 |
4 | 111020033202111330 |
5 | 332430314300420 |
6 | 14231110200140 |
7 | 1432126126545 |
oct | 251017422574 |
9 | 64502310366 |
10 | 22686868860 |
11 | 96921673a7 |
12 | 4491953050 |
13 | 21a7244576 |
14 | 115309b4cc |
15 | 8cbaaa340 |
hex | 5483e257c |
22686868860 has 24 divisors (see below), whose sum is σ = 63523232976. Its totient is φ = 6049831680.
The previous prime is 22686868819. The next prime is 22686868909. The reversal of 22686868860 is 6886868622.
It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 378114481 = 22686868860 / (2 + 2 + 6 + 8 + 6 + 8 + 6 + 8 + 8 + 6 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 22686868794 and 22686868803.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 189057181 + ... + 189057300.
It is an arithmetic number, because the mean of its divisors is an integer number (2646801374).
Almost surely, 222686868860 is an apocalyptic number.
22686868860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22686868860 is an abundant number, since it is smaller than the sum of its proper divisors (40836364116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22686868860 is a wasteful number, since it uses less digits than its factorization.
22686868860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378114493 (or 378114491 counting only the distinct ones).
The product of its (nonzero) digits is 21233664, while the sum is 60.
The spelling of 22686868860 in words is "twenty-two billion, six hundred eighty-six million, eight hundred sixty-eight thousand, eight hundred sixty".
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