Base | Representation |
---|---|
bin | 10011000110000111000… |
… | …001011111011010000111 |
3 | 11122110002120220002222021 |
4 | 103012013001133122013 |
5 | 132444421431341411 |
6 | 2442455202144011 |
7 | 163543201566106 |
oct | 23060701373207 |
9 | 4573076802867 |
10 | 1312230340231 |
11 | 4665718a9898 |
12 | 19239b352007 |
13 | 96986baa055 |
14 | 47725a0603d |
15 | 242029e4a71 |
hex | 1318705f687 |
1312230340231 has 8 divisors (see below), whose sum is σ = 1410684353280. Its totient is φ = 1216715253048.
The previous prime is 1312230340207. The next prime is 1312230340237. The reversal of 1312230340231 is 1320430322131.
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 1312230340231 - 211 = 1312230338183 is a prime.
It is a super-2 number, since 2×13122303402312 (a number of 25 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 = 1312230340196 and 1312230340205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312230340237) 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, 734730541 + ... + 734732326.
It is an arithmetic number, because the mean of its divisors is an integer number (176335544160).
Almost surely, 21312230340231 is an apocalyptic number.
1312230340231 is a deficient number, since it is larger than the sum of its proper divisors (98454013049).
1312230340231 is a wasteful number, since it uses less digits than its factorization.
1312230340231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1469462933.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 1312230340231 its reverse (1320430322131), we get a palindrome (2632660662362).
The spelling of 1312230340231 in words is "one trillion, three hundred twelve billion, two hundred thirty million, three hundred forty thousand, two hundred thirty-one".
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