Base | Representation |
---|---|
bin | 1011000000011111100100… |
… | …1001111101100110000001 |
3 | 1120212001020001120202011221 |
4 | 2300013321021331212001 |
5 | 3041244123332324301 |
6 | 41424031101235041 |
7 | 2356264114106626 |
oct | 260077111754601 |
9 | 46761201522157 |
10 | 12103103011201 |
11 | 3946996139174 |
12 | 14357b4862a81 |
13 | 69a41903cb17 |
14 | 2dbb16bbc34d |
15 | 15ec6979ada1 |
hex | b01f927d981 |
12103103011201 has 4 divisors (see below), whose sum is σ = 12815050247172. Its totient is φ = 11391155775232.
The previous prime is 12103103011117. The next prime is 12103103011267. The reversal of 12103103011201 is 10211030130121.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6730906171201 + 5372196840000 = 2594399^2 + 2317800^2 .
It is a cyclic number.
It is not a de Polignac number, because 12103103011201 - 29 = 12103103010689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103103011301) 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, 355973617960 + ... + 355973617993.
It is an arithmetic number, because the mean of its divisors is an integer number (3203762561793).
Almost surely, 212103103011201 is an apocalyptic number.
It is an amenable number.
12103103011201 is a deficient number, since it is larger than the sum of its proper divisors (711947235971).
12103103011201 is an equidigital number, since it uses as much as digits as its factorization.
12103103011201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711947235970.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 12103103011201 its reverse (10211030130121), we get a palindrome (22314133141322).
The spelling of 12103103011201 in words is "twelve trillion, one hundred three billion, one hundred three million, eleven thousand, two hundred one".
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