Base | Representation |
---|---|
bin | 11000101000101101… |
… | …10100010111101101 |
3 | 1021010202212011010110 |
4 | 30110112310113231 |
5 | 204041431143020 |
6 | 10024240130233 |
7 | 645522532146 |
oct | 142426642755 |
9 | 37122764113 |
10 | 13226427885 |
11 | 5677a79040 |
12 | 2691606979 |
13 | 132a2800b8 |
14 | 8d686aacd |
15 | 52627b8e0 |
hex | 3145b45ed |
13226427885 has 32 divisors (see below), whose sum is σ = 23133288960. Its totient is φ = 6399713600.
The previous prime is 13226427881. The next prime is 13226427887. The reversal of 13226427885 is 58872462231.
It is not a de Polignac number, because 13226427885 - 22 = 13226427881 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13226427881) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615 + ... + 162644.
It is an arithmetic number, because the mean of its divisors is an integer number (722915280).
Almost surely, 213226427885 is an apocalyptic number.
13226427885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13226427885 is a deficient number, since it is larger than the sum of its proper divisors (9906861075).
13226427885 is a wasteful number, since it uses less digits than its factorization.
13226427885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163769.
The product of its digits is 1290240, while the sum is 48.
The spelling of 13226427885 in words is "thirteen billion, two hundred twenty-six million, four hundred twenty-seven thousand, eight hundred eighty-five".
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