Base | Representation |
---|---|
bin | 1010011110000111001110… |
… | …0000110011001001101101 |
3 | 1111202120122110100202020101 |
4 | 2213201303200303021231 |
5 | 3002104444241044440 |
6 | 40252425140351101 |
7 | 2265514152135553 |
oct | 247416340631155 |
9 | 44676573322211 |
10 | 11512450331245 |
11 | 37394480a0566 |
12 | 135b2343a5491 |
13 | 656808abb026 |
14 | 2bb2c411dbd3 |
15 | 14e6ea36469a |
hex | a787383326d |
11512450331245 has 16 divisors (see below), whose sum is σ = 14432815865520. Its totient is φ = 8804332096000.
The previous prime is 11512450331243. The next prime is 11512450331267. The reversal of 11512450331245 is 54213305421511.
11512450331245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 284817544489 + 11227632786756 = 533683^2 + 3350766^2 .
It is not a de Polignac number, because 11512450331245 - 21 = 11512450331243 is a prime.
It is a super-2 number, since 2×115124503312452 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11512450331243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393035896 + ... + 393065185.
It is an arithmetic number, because the mean of its divisors is an integer number (902050991595).
Almost surely, 211512450331245 is an apocalyptic number.
It is an amenable number.
11512450331245 is a deficient number, since it is larger than the sum of its proper divisors (2920365534275).
11512450331245 is a wasteful number, since it uses less digits than its factorization.
11512450331245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 786101216.
The product of its (nonzero) digits is 72000, while the sum is 37.
Adding to 11512450331245 its reverse (54213305421511), we get a palindrome (65725755752756).
The spelling of 11512450331245 in words is "eleven trillion, five hundred twelve billion, four hundred fifty million, three hundred thirty-one thousand, two hundred forty-five".
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