Base | Representation |
---|---|
bin | 1011110101110111110001… |
… | …0110000001101110111111 |
3 | 1201002201020101110021100112 |
4 | 2331131330112001232333 |
5 | 3201310212244220411 |
6 | 43405211023420235 |
7 | 2512450003103564 |
oct | 275357426015677 |
9 | 51081211407315 |
10 | 13020132023231 |
11 | 416a897102823 |
12 | 156347ba5467b |
13 | 735a408096b8 |
14 | 33026ba7686b |
15 | 178a3bcd0b8b |
hex | bd77c581bbf |
13020132023231 has 8 divisors (see below), whose sum is σ = 13096898424624. Its totient is φ = 12943382927040.
The previous prime is 13020132023161. The next prime is 13020132023251. The reversal of 13020132023231 is 13232023102031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13020132023231 - 230 = 13019058281407 is a prime.
It is a super-2 number, since 2×130201320232312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13020132023197 and 13020132023206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020132023251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815550 + ... + 5828171.
It is an arithmetic number, because the mean of its divisors is an integer number (1637112303078).
Almost surely, 213020132023231 is an apocalyptic number.
13020132023231 is a deficient number, since it is larger than the sum of its proper divisors (76766401393).
13020132023231 is an equidigital number, since it uses as much as digits as its factorization.
13020132023231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8652601.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 13020132023231 its reverse (13232023102031), we get a palindrome (26252155125262).
The spelling of 13020132023231 in words is "thirteen trillion, twenty billion, one hundred thirty-two million, twenty-three thousand, two hundred thirty-one".
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