Base | Representation |
---|---|
bin | 11001100111010000… |
… | …10111010011100010 |
3 | 1022111100011022221022 |
4 | 30303220113103202 |
5 | 211130241333442 |
6 | 10152302125442 |
7 | 664523413064 |
oct | 146350272342 |
9 | 38440138838 |
10 | 13751121122 |
11 | 5917170912 |
12 | 27b9280882 |
13 | 13b1b9c87b |
14 | 94640d734 |
15 | 5573713d2 |
hex | 333a174e2 |
13751121122 has 18 divisors (see below), whose sum is σ = 20770714017. Its totient is φ = 6827882136.
The previous prime is 13751121121. The next prime is 13751121133. The reversal of 13751121122 is 22112115731.
It is a happy number.
13751121122 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 2 ways, for example, as 9979810201 + 3771310921 = 99899^2 + 61411^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=82919.
It is a super-2 number, since 2×137511211222 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13751121091 and 13751121100.
It is not an unprimeable number, because it can be changed into a prime (13751121121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46932008 + ... + 46932300.
Almost surely, 213751121122 is an apocalyptic number.
13751121122 is a deficient number, since it is larger than the sum of its proper divisors (7019592895).
13751121122 is an frugal number, since it uses more digits than its factorization.
13751121122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1154 (or 578 counting only the distinct ones).
The product of its digits is 840, while the sum is 26.
Adding to 13751121122 its reverse (22112115731), we get a palindrome (35863236853).
The spelling of 13751121122 in words is "thirteen billion, seven hundred fifty-one million, one hundred twenty-one thousand, one hundred twenty-two".
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