Base | Representation |
---|---|
bin | 10111001100001011… |
… | …00011111001001111 |
3 | 1012010200011020211022 |
4 | 23212011203321033 |
5 | 200444214331030 |
6 | 5415225544355 |
7 | 620345355200 |
oct | 134605437117 |
9 | 35120136738 |
10 | 12450152015 |
11 | 5309871534 |
12 | 24b56450bb |
13 | 12354b5772 |
14 | 8617195a7 |
15 | 4cd03dde5 |
hex | 2e6163e4f |
12450152015 has 24 divisors (see below), whose sum is σ = 17849122272. Its totient is φ = 8306504640.
The previous prime is 12450151993. The next prime is 12450152047. The reversal of 12450152015 is 51025105421.
It is not a de Polignac number, because 12450152015 - 228 = 12181716559 is a prime.
It is a Duffinian number.
It is a congruent number.
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 in 23 ways as a sum of consecutive naturals, for example, 677651 + ... + 695780.
It is an arithmetic number, because the mean of its divisors is an integer number (743713428).
Almost surely, 212450152015 is an apocalyptic number.
12450152015 is a deficient number, since it is larger than the sum of its proper divisors (5398970257).
12450152015 is a wasteful number, since it uses less digits than its factorization.
12450152015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1373487 (or 1373480 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 26.
Adding to 12450152015 its reverse (51025105421), we get a palindrome (63475257436).
The spelling of 12450152015 in words is "twelve billion, four hundred fifty million, one hundred fifty-two thousand, fifteen".
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