Base | Representation |
---|---|
bin | 110000000011111001… |
… | …1010101000011111111 |
3 | 100212101220000220000021 |
4 | 1200013303111003333 |
5 | 3142333242024411 |
6 | 115225234513011 |
7 | 10312433320243 |
oct | 1400763250377 |
9 | 325356026007 |
10 | 103210111231 |
11 | 3a853465197 |
12 | 18004a35767 |
13 | 996a8ab646 |
14 | 4dd151c423 |
15 | 2a40e83a71 |
hex | 1807cd50ff |
103210111231 has 4 divisors (see below), whose sum is σ = 103303684512. Its totient is φ = 103116537952.
The previous prime is 103210111181. The next prime is 103210111297. The reversal of 103210111231 is 132111012301.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132111012301 = 1319 ⋅100159979.
It is a cyclic number.
It is not a de Polignac number, because 103210111231 - 213 = 103210103039 is a prime.
It is a super-2 number, since 2×1032101112312 (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 (103210111031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46784986 + ... + 46787191.
It is an arithmetic number, because the mean of its divisors is an integer number (25825921128).
Almost surely, 2103210111231 is an apocalyptic number.
103210111231 is a deficient number, since it is larger than the sum of its proper divisors (93573281).
103210111231 is an equidigital number, since it uses as much as digits as its factorization.
103210111231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93573280.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 103210111231 its reverse (132111012301), we get a palindrome (235321123532).
The spelling of 103210111231 in words is "one hundred three billion, two hundred ten million, one hundred eleven thousand, two hundred thirty-one".
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