Base | Representation |
---|---|
bin | 1011001100101010111011… |
… | …1111010011010010101101 |
3 | 1121121001020012101121121202 |
4 | 2303022232333103102231 |
5 | 3103211103344200023 |
6 | 42104110442135245 |
7 | 2410351400035232 |
oct | 263125677232255 |
9 | 47531205347552 |
10 | 12312312100013 |
11 | 3a17693221072 |
12 | 146a2604b1525 |
13 | 6b407a229473 |
14 | 307cc1d81789 |
15 | 16541144e128 |
hex | b32aefd34ad |
12312312100013 has 8 divisors (see below), whose sum is σ = 12501664192032. Its totient is φ = 12123124309296.
The previous prime is 12312312099949. The next prime is 12312312100019. The reversal of 12312312100013 is 31000121321321.
It is a happy number.
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 12312312100013 - 26 = 12312312099949 is a prime.
It is a super-2 number, since 2×123123121000132 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312312100019) 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, 40924295 + ... + 41224052.
It is an arithmetic number, because the mean of its divisors is an integer number (1562708024004).
Almost surely, 212312312100013 is an apocalyptic number.
It is an amenable number.
12312312100013 is a deficient number, since it is larger than the sum of its proper divisors (189352092019).
12312312100013 is an equidigital number, since it uses as much as digits as its factorization.
12312312100013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82150651.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12312312100013 its reverse (31000121321321), we get a palindrome (43312433421334).
The spelling of 12312312100013 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, one hundred thousand, thirteen".
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