Base | Representation |
---|---|
bin | 11000010010101111… |
… | …01010111100000101 |
3 | 1020122221000102120121 |
4 | 30021113222330011 |
5 | 203202234231041 |
6 | 5554053301541 |
7 | 641124016024 |
oct | 141127527405 |
9 | 36587012517 |
10 | 13042102021 |
11 | 5592a21313 |
12 | 263b9348b1 |
13 | 12cb023240 |
14 | 8ba1a88bb |
15 | 514ebb7d1 |
hex | 3095eaf05 |
13042102021 has 8 divisors (see below), whose sum is σ = 14223130880. Its totient is φ = 11886471792.
The previous prime is 13042102001. The next prime is 13042102079. The reversal of 13042102021 is 12020124031.
13042102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13042102021 - 215 = 13042069253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13042101986 and 13042102004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13042102001) 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, 6348585 + ... + 6350638.
It is an arithmetic number, because the mean of its divisors is an integer number (1777891360).
Almost surely, 213042102021 is an apocalyptic number.
It is an amenable number.
13042102021 is a deficient number, since it is larger than the sum of its proper divisors (1181028859).
13042102021 is a wasteful number, since it uses less digits than its factorization.
13042102021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12699315.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 13042102021 its reverse (12020124031), we get a palindrome (25062226052).
The spelling of 13042102021 in words is "thirteen billion, forty-two million, one hundred two thousand, twenty-one".
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