Base | Representation |
---|---|
bin | 10111110111101010… |
… | …10110111000010000 |
3 | 1020002002200121111101 |
4 | 23323311112320100 |
5 | 202221120100102 |
6 | 5515341554144 |
7 | 632365505140 |
oct | 137365267020 |
9 | 36062617441 |
10 | 12815003152 |
11 | 548680a5a6 |
12 | 2597875954 |
13 | 1292c6b603 |
14 | 897d70920 |
15 | 5000ace87 |
hex | 2fbd56e10 |
12815003152 has 20 divisors (see below), whose sum is σ = 28376078656. Its totient is φ = 5492144160.
The previous prime is 12815003143. The next prime is 12815003177. The reversal of 12815003152 is 25130051821.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 12815003152.
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 3 ways as a sum of consecutive naturals, for example, 57209724 + ... + 57209947.
Almost surely, 212815003152 is an apocalyptic number.
It is an amenable number.
12815003152 is an abundant number, since it is smaller than the sum of its proper divisors (15561075504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12815003152 is a wasteful number, since it uses less digits than its factorization.
12815003152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114419686 (or 114419680 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 28.
Adding to 12815003152 its reverse (25130051821), we get a palindrome (37945054973).
The spelling of 12815003152 in words is "twelve billion, eight hundred fifteen million, three thousand, one hundred fifty-two".
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