Base | Representation |
---|---|
bin | 10111010101101110… |
… | …11011011001000100 |
3 | 1012100021000212210202 |
4 | 23222313123121010 |
5 | 201130231131002 |
6 | 5431212310032 |
7 | 622341034553 |
oct | 135267333104 |
9 | 35307025722 |
10 | 12530333252 |
11 | 5350056918 |
12 | 2518472318 |
13 | 1248caa498 |
14 | 86c22bd9a |
15 | 4d50cb502 |
hex | 2eaddb644 |
12530333252 has 6 divisors (see below), whose sum is σ = 21928083198. Its totient is φ = 6265166624.
The previous prime is 12530333243. The next prime is 12530333261. The reversal of 12530333252 is 25233303521.
It is an interprime number because it is at equal distance from previous prime (12530333243) and next prime (12530333261).
It can be written as a sum of positive squares in only one way, i.e., 12388580416 + 141752836 = 111304^2 + 11906^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566291653 + ... + 1566291660.
It is an arithmetic number, because the mean of its divisors is an integer number (3654680533).
Almost surely, 212530333252 is an apocalyptic number.
It is an amenable number.
12530333252 is a deficient number, since it is larger than the sum of its proper divisors (9397749946).
12530333252 is a wasteful number, since it uses less digits than its factorization.
12530333252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3132583317 (or 3132583315 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 29.
Adding to 12530333252 its reverse (25233303521), we get a palindrome (37763636773).
The spelling of 12530333252 in words is "twelve billion, five hundred thirty million, three hundred thirty-three thousand, two hundred fifty-two".
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