Base | Representation |
---|---|
bin | 1111010010010010100… |
… | …01110010111101010100 |
3 | 1212012200011110100211121 |
4 | 13221021101302331110 |
5 | 32101120121141202 |
6 | 1041140341013324 |
7 | 52642220225242 |
oct | 7511121627524 |
9 | 1765604410747 |
10 | 525215412052 |
11 | 192819453811 |
12 | 859596b4244 |
13 | 3a6b21a6636 |
14 | 1b5c6041792 |
15 | d9de6a6537 |
hex | 7a49472f54 |
525215412052 has 6 divisors (see below), whose sum is σ = 919126971098. Its totient is φ = 262607706024.
The previous prime is 525215412023. The next prime is 525215412053. The reversal of 525215412052 is 250214512525.
It can be written as a sum of positive squares in only one way, i.e., 524891556036 + 323856016 = 724494^2 + 17996^2 .
It is a junction number, because it is equal to n+sod(n) for n = 525215411999 and 525215412017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (525215412053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651926503 + ... + 65651926510.
Almost surely, 2525215412052 is an apocalyptic number.
It is an amenable number.
525215412052 is a deficient number, since it is larger than the sum of its proper divisors (393911559046).
525215412052 is a wasteful number, since it uses less digits than its factorization.
525215412052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131303853017 (or 131303853015 counting only the distinct ones).
The product of its (nonzero) digits is 40000, while the sum is 34.
Adding to 525215412052 its reverse (250214512525), we get a palindrome (775429924577).
The spelling of 525215412052 in words is "five hundred twenty-five billion, two hundred fifteen million, four hundred twelve thousand, fifty-two".
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