Base | Representation |
---|---|
bin | 11000011101100110… |
… | …10011010101000110 |
3 | 1020220021111021121220 |
4 | 30032303103111012 |
5 | 203344101401210 |
6 | 10011110421210 |
7 | 643311424314 |
oct | 141663232506 |
9 | 36807437556 |
10 | 13133231430 |
11 | 562a404180 |
12 | 2666361806 |
13 | 1313b7c277 |
14 | 8c832b0b4 |
15 | 51cebcc70 |
hex | 30ecd3546 |
13133231430 has 32 divisors (see below), whose sum is σ = 34385188608. Its totient is φ = 3183813600.
The previous prime is 13133231413. The next prime is 13133231453. The reversal of 13133231430 is 3413233131.
It is a happy number.
13133231430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13133231430.
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 15 ways as a sum of consecutive naturals, for example, 19898506 + ... + 19899165.
It is an arithmetic number, because the mean of its divisors is an integer number (1074537144).
Almost surely, 213133231430 is an apocalyptic number.
13133231430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13133231430 is an abundant number, since it is smaller than the sum of its proper divisors (21251957178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13133231430 is a wasteful number, since it uses less digits than its factorization.
13133231430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39797692.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 13133231430 its reverse (3413233131), we get a palindrome (16546464561).
The spelling of 13133231430 in words is "thirteen billion, one hundred thirty-three million, two hundred thirty-one thousand, four hundred thirty".
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