Base | Representation |
---|---|
bin | 11001010010101110… |
… | …01001101110100010 |
3 | 1022001022222101102010 |
4 | 30221113021232202 |
5 | 210302140240043 |
6 | 10123225333350 |
7 | 660332131524 |
oct | 145127115642 |
9 | 38038871363 |
10 | 13578836898 |
11 | 5838999160 |
12 | 276b637256 |
13 | 138529a943 |
14 | 92b5a3a14 |
15 | 54718e133 |
hex | 3295c9ba2 |
13578836898 has 16 divisors (see below), whose sum is σ = 29626553376. Its totient is φ = 4114799040.
The previous prime is 13578836897. The next prime is 13578836911. The reversal of 13578836898 is 89863887531.
13578836898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 205739953 = 13578836898 / (1 + 3 + 5 + 7 + 8 + 8 + 3 + 6 + 8 + 9 + 8).
It is not an unprimeable number, because it can be changed into a prime (13578836893) 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 7 ways as a sum of consecutive naturals, for example, 102869911 + ... + 102870042.
It is an arithmetic number, because the mean of its divisors is an integer number (1851659586).
Almost surely, 213578836898 is an apocalyptic number.
13578836898 is an abundant number, since it is smaller than the sum of its proper divisors (16047716478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13578836898 is a wasteful number, since it uses less digits than its factorization.
13578836898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205739969.
The product of its digits is 69672960, while the sum is 66.
The spelling of 13578836898 in words is "thirteen billion, five hundred seventy-eight million, eight hundred thirty-six thousand, eight hundred ninety-eight".
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