Base | Representation |
---|---|
bin | 11000011011000101… |
… | …10110110110001101 |
3 | 1020211210210220002000 |
4 | 30031202312312031 |
5 | 203323202040440 |
6 | 10005034422513 |
7 | 642634243605 |
oct | 141542666615 |
9 | 36753726060 |
10 | 13112143245 |
11 | 5619510323 |
12 | 265b291a39 |
13 | 130c6a7756 |
14 | 8c55dbc05 |
15 | 51b204730 |
hex | 30d8b6d8d |
13112143245 has 32 divisors (see below), whose sum is σ = 23351015040. Its totient is φ = 6980981760.
The previous prime is 13112143241. The next prime is 13112143267. The reversal of 13112143245 is 54234121131.
13112143245 is a `hidden beast` number, since 1 + 311 + 21 + 4 + 324 + 5 = 666.
It is not a de Polignac number, because 13112143245 - 22 = 13112143241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13112143241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6271 + ... + 162060.
It is an arithmetic number, because the mean of its divisors is an integer number (729719220).
Almost surely, 213112143245 is an apocalyptic number.
13112143245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13112143245 is a deficient number, since it is larger than the sum of its proper divisors (10238871795).
13112143245 is a wasteful number, since it uses less digits than its factorization.
13112143245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168922 (or 168916 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
Adding to 13112143245 its reverse (54234121131), we get a palindrome (67346264376).
The spelling of 13112143245 in words is "thirteen billion, one hundred twelve million, one hundred forty-three thousand, two hundred forty-five".
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