Base | Representation |
---|---|
bin | 1011001100100010101101… |
… | …0100010111110101010011 |
3 | 1121120211112020122021210110 |
4 | 2303020223110113311103 |
5 | 3103142042333443443 |
6 | 42103103330132403 |
7 | 2410242554205162 |
oct | 263105324276523 |
9 | 47524466567713 |
10 | 12310103031123 |
11 | 3a1675a2679a7 |
12 | 1469944721103 |
13 | 6b3ab7671001 |
14 | 307b528233d9 |
15 | 165332540233 |
hex | b322b517d53 |
12310103031123 has 8 divisors (see below), whose sum is σ = 16418488596736. Its totient is φ = 8204226409800.
The previous prime is 12310103031119. The next prime is 12310103031139. The reversal of 12310103031123 is 32113030101321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12310103031123 - 22 = 12310103031119 is a prime.
It is a super-2 number, since 2×123101030311232 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12310103031123.
It is not an unprimeable number, because it can be changed into a prime (12310103031923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627224623 + ... + 627244248.
It is an arithmetic number, because the mean of its divisors is an integer number (2052311074592).
Almost surely, 212310103031123 is an apocalyptic number.
12310103031123 is a deficient number, since it is larger than the sum of its proper divisors (4108385565613).
12310103031123 is a wasteful number, since it uses less digits than its factorization.
12310103031123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1254472145.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 12310103031123 its reverse (32113030101321), we get a palindrome (44423133132444).
The spelling of 12310103031123 in words is "twelve trillion, three hundred ten billion, one hundred three million, thirty-one thousand, one hundred twenty-three".
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