Base | Representation |
---|---|
bin | 110000000111001101… |
… | …0110000101010101101 |
3 | 100212200121220021100201 |
4 | 1200032122300222231 |
5 | 3143100201024323 |
6 | 115244241553501 |
7 | 10315251645325 |
oct | 1401632605255 |
9 | 325617807321 |
10 | 103321111213 |
11 | 3a90008a111 |
12 | 18036045891 |
13 | 99878a3bc8 |
14 | 5002174285 |
15 | 2a4aaac8ad |
hex | 180e6b0aad |
103321111213 has 4 divisors (see below), whose sum is σ = 103323254908. Its totient is φ = 103318967520.
The previous prime is 103321111207. The next prime is 103321111217. The reversal of 103321111213 is 312111123301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312111123301 = 59 ⋅5290019039.
It can be written as a sum of positive squares in 2 ways, for example, as 70308764964 + 33012346249 = 265158^2 + 181693^2 .
It is a cyclic number.
It is not a de Polignac number, because 103321111213 - 25 = 103321111181 is a prime.
It is a super-2 number, since 2×1033211112132 (a number of 23 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 (103321111217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997848 + ... + 1096513.
It is an arithmetic number, because the mean of its divisors is an integer number (25830813727).
Almost surely, 2103321111213 is an apocalyptic number.
It is an amenable number.
103321111213 is a deficient number, since it is larger than the sum of its proper divisors (2143695).
103321111213 is an equidigital number, since it uses as much as digits as its factorization.
103321111213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2143694.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 103321111213 its reverse (312111123301), we get a palindrome (415432234514).
The spelling of 103321111213 in words is "one hundred three billion, three hundred twenty-one million, one hundred eleven thousand, two hundred thirteen".
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