Base | Representation |
---|---|
bin | 1100000001100100001011… |
… | …1010101111001110010000 |
3 | 1201210220210110021002120110 |
4 | 3000121002322233032100 |
5 | 3213103133144443440 |
6 | 44041354104041320 |
7 | 2533121333021364 |
oct | 300310272571620 |
9 | 51726713232513 |
10 | 13221032031120 |
11 | 423800aa011a1 |
12 | 15963a8a63240 |
13 | 74b979425a04 |
14 | 339c894b72a4 |
15 | 17dd99284080 |
hex | c0642eaf390 |
13221032031120 has 40 divisors (see below), whose sum is σ = 40985199297216. Its totient is φ = 3525608541568.
The previous prime is 13221032031107. The next prime is 13221032031131. The reversal of 13221032031120 is 2113023012231.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 27543816492 + ... + 27543816971.
Almost surely, 213221032031120 is an apocalyptic number.
13221032031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13221032031120 is an abundant number, since it is smaller than the sum of its proper divisors (27764167266096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13221032031120 is a wasteful number, since it uses less digits than its factorization.
13221032031120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55087633479 (or 55087633473 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13221032031120 its reverse (2113023012231), we get a palindrome (15334055043351).
The spelling of 13221032031120 in words is "thirteen trillion, two hundred twenty-one billion, thirty-two million, thirty-one thousand, one hundred twenty".
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