Base | Representation |
---|---|
bin | 110000000011111101… |
… | …1010011010101101101 |
3 | 100212102000222002002011 |
4 | 1200013323103111231 |
5 | 3142334310420300 |
6 | 115225351401221 |
7 | 10312460143642 |
oct | 1400773232555 |
9 | 325360862064 |
10 | 103212201325 |
11 | 3a854662542 |
12 | 18005683211 |
13 | 996b160a9c |
14 | 4dd1903dc9 |
15 | 2a41247eba |
hex | 1807ed356d |
103212201325 has 48 divisors (see below), whose sum is σ = 135395329680. Its totient is φ = 77927915520.
The previous prime is 103212201317. The next prime is 103212201329. The reversal of 103212201325 is 523102212301.
It can be written as a sum of positive squares in 24 ways, for example, as 89065239844 + 14146961481 = 298438^2 + 118941^2 .
It is not a de Polignac number, because 103212201325 - 23 = 103212201317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103212201296 and 103212201305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103212201329) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10638877 + ... + 10648573.
It is an arithmetic number, because the mean of its divisors is an integer number (2820736035).
Almost surely, 2103212201325 is an apocalyptic number.
It is an amenable number.
103212201325 is a deficient number, since it is larger than the sum of its proper divisors (32183128355).
103212201325 is a wasteful number, since it uses less digits than its factorization.
103212201325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10066 (or 10061 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 103212201325 its reverse (523102212301), we get a palindrome (626314413626).
The spelling of 103212201325 in words is "one hundred three billion, two hundred twelve million, two hundred one thousand, three hundred twenty-five".
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