Base | Representation |
---|---|
bin | 1011110101111100001000… |
… | …0001011001101000010000 |
3 | 1201002211020212010112002121 |
4 | 2331133002001121220100 |
5 | 3201320111030134300 |
6 | 43405523023224024 |
7 | 2512520656321123 |
oct | 275370201315020 |
9 | 51084225115077 |
10 | 13021301021200 |
11 | 4170336a6424a |
12 | 1563747448014 |
13 | 735b98a67a84 |
14 | 33033d0163ba |
15 | 178aa974581a |
hex | bd7c2059a10 |
13021301021200 has 240 divisors, whose sum is σ = 33567317554176. Its totient is φ = 4836903321600.
The previous prime is 13021301021177. The next prime is 13021301021221. The reversal of 13021301021200 is 212010312031.
It is a Harshad number since it is a multiple of its sum of digits (16).
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 47 ways as a sum of consecutive naturals, for example, 171315205 + ... + 171391195.
Almost surely, 213021301021200 is an apocalyptic number.
13021301021200 is a gapful number since it is divisible by the number (10) 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 13021301021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16783658777088).
13021301021200 is an abundant number, since it is smaller than the sum of its proper divisors (20546016532976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021301021200 is a wasteful number, since it uses less digits than its factorization.
13021301021200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76362 (or 76351 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13021301021200 its reverse (212010312031), we get a palindrome (13233311333231).
The spelling of 13021301021200 in words is "thirteen trillion, twenty-one billion, three hundred one million, twenty-one thousand, two hundred".
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