Base | Representation |
---|---|
bin | 10111001100001101… |
… | …00100000111000101 |
3 | 1012010200122121122011 |
4 | 23212012210013011 |
5 | 200444301240140 |
6 | 5415235334221 |
7 | 620350532065 |
oct | 134606440705 |
9 | 35120577564 |
10 | 12450415045 |
11 | 5309a31112 |
12 | 24b5751371 |
13 | 12355783c3 |
14 | 8617873a5 |
15 | 4cd091cea |
hex | 2e61a41c5 |
12450415045 has 4 divisors (see below), whose sum is σ = 14940498060. Its totient is φ = 9960332032.
The previous prime is 12450415031. The next prime is 12450415051. The reversal of 12450415045 is 54051405421.
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: 54051405421 = 13 ⋅4157800417.
It can be written as a sum of positive squares in 2 ways, for example, as 8600336644 + 3850078401 = 92738^2 + 62049^2 .
It is a cyclic number.
It is not a de Polignac number, because 12450415045 - 227 = 12316197317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12450414998 and 12450415016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245041500 + ... + 1245041509.
It is an arithmetic number, because the mean of its divisors is an integer number (3735124515).
Almost surely, 212450415045 is an apocalyptic number.
It is an amenable number.
12450415045 is a deficient number, since it is larger than the sum of its proper divisors (2490083015).
12450415045 is an equidigital number, since it uses as much as digits as its factorization.
12450415045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2490083014.
The product of its (nonzero) digits is 16000, while the sum is 31.
The spelling of 12450415045 in words is "twelve billion, four hundred fifty million, four hundred fifteen thousand, forty-five".
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