Base | Representation |
---|---|
bin | 1011111011110000101100… |
… | …0101111110000000000010 |
3 | 1201110101101201221011121020 |
4 | 2332330023011332000002 |
5 | 3204434421132001310 |
6 | 43523502552410310 |
7 | 2522661215665131 |
oct | 276741305760002 |
9 | 51411351834536 |
10 | 13121311203330 |
11 | 41a9798114330 |
12 | 157abb86a6996 |
13 | 742446700c35 |
14 | 335109567918 |
15 | 17b4ae7e2170 |
hex | bef0b17e002 |
13121311203330 has 64 divisors (see below), whose sum is σ = 36374800699008. Its totient is φ = 2993810754560.
The previous prime is 13121311203233. The next prime is 13121311203359. The reversal of 13121311203330 is 3330211312131.
It is a self number, because there is not a number n which added to its sum of digits gives 13121311203330.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1169451717 + ... + 1169462936.
It is an arithmetic number, because the mean of its divisors is an integer number (568356260922).
Almost surely, 213121311203330 is an apocalyptic number.
13121311203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13121311203330 is an abundant number, since it is smaller than the sum of its proper divisors (23253489495678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13121311203330 is a wasteful number, since it uses less digits than its factorization.
13121311203330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2338914691.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 13121311203330 its reverse (3330211312131), we get a palindrome (16451522515461).
The spelling of 13121311203330 in words is "thirteen trillion, one hundred twenty-one billion, three hundred eleven million, two hundred three thousand, three hundred thirty".
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