Base | Representation |
---|---|
bin | 1011110110110100000… |
… | …0111101011100000100 |
3 | 201110202200020121202010 |
4 | 2331231000331130010 |
5 | 11314130230243413 |
6 | 233324111414220 |
7 | 20500455045165 |
oct | 2755500753404 |
9 | 643680217663 |
10 | 203692431108 |
11 | 79427081361 |
12 | 33588224370 |
13 | 162922c295a |
14 | 9c0465176c |
15 | 54726e2dc3 |
hex | 2f6d03d704 |
203692431108 has 48 divisors (see below), whose sum is σ = 481075934976. Its totient is φ = 67070050080.
The previous prime is 203692431071. The next prime is 203692431109. The reversal of 203692431108 is 801134296302.
203692431108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2036924311082 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (203692431109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13820103 + ... + 13834833.
It is an arithmetic number, because the mean of its divisors is an integer number (10022415312).
Almost surely, 2203692431108 is an apocalyptic number.
It is an amenable number.
203692431108 is an abundant number, since it is smaller than the sum of its proper divisors (277383503868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203692431108 is a wasteful number, since it uses less digits than its factorization.
203692431108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28704 (or 28702 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The spelling of 203692431108 in words is "two hundred three billion, six hundred ninety-two million, four hundred thirty-one thousand, one hundred eight".
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