Base | Representation |
---|---|
bin | 1100000111011001110101… |
… | …0100101100000101000000 |
3 | 1202011111200121021211100110 |
4 | 3001312131110230011000 |
5 | 3221224042223444412 |
6 | 44155422542351320 |
7 | 2543302023323262 |
oct | 301663524540500 |
9 | 52144617254313 |
10 | 13321333031232 |
11 | 4276600234116 |
12 | 15b191b58b540 |
13 | 7582723c3515 |
14 | 340a824cbb32 |
15 | 1817b9b28d3c |
hex | c1d9d52c140 |
13321333031232 has 112 divisors (see below), whose sum is σ = 35483430176000. Its totient is φ = 4410555881472.
The previous prime is 13321333031219. The next prime is 13321333031233. The reversal of 13321333031232 is 23213033312331.
It is a self number, because there is not a number n which added to its sum of digits gives 13321333031232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13321333031233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84233769 + ... + 84391767.
Almost surely, 213321333031232 is an apocalyptic number.
13321333031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13321333031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17741715088000).
13321333031232 is an abundant number, since it is smaller than the sum of its proper divisors (22162097144768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13321333031232 is a wasteful number, since it uses less digits than its factorization.
13321333031232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160968 (or 160958 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 30.
Adding to 13321333031232 its reverse (23213033312331), we get a palindrome (36534366343563).
The spelling of 13321333031232 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-three million, thirty-one thousand, two hundred thirty-two".
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