Base | Representation |
---|---|
bin | 11000001111001011… |
… | …11111100100010101 |
3 | 1020120211221102202212 |
4 | 30013211333210111 |
5 | 203122122131401 |
6 | 5551110443205 |
7 | 640312512551 |
oct | 140745774425 |
9 | 36524842685 |
10 | 13012302101 |
11 | 5578118187 |
12 | 2631963505 |
13 | 12c4abb356 |
14 | 8b624c861 |
15 | 512581dbb |
hex | 30797f915 |
13012302101 has 4 divisors (see below), whose sum is σ = 13043210604. Its totient is φ = 12981393600.
The previous prime is 13012302089. The next prime is 13012302103. The reversal of 13012302101 is 10120321031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4053868900 + 8958433201 = 63670^2 + 94649^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13012302101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012302103) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 15453620 + ... + 15454461.
It is an arithmetic number, because the mean of its divisors is an integer number (3260802651).
Almost surely, 213012302101 is an apocalyptic number.
It is an amenable number.
13012302101 is a deficient number, since it is larger than the sum of its proper divisors (30908503).
13012302101 is an equidigital number, since it uses as much as digits as its factorization.
13012302101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30908502.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13012302101 its reverse (10120321031), we get a palindrome (23132623132).
The spelling of 13012302101 in words is "thirteen billion, twelve million, three hundred two thousand, one hundred one".
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