Base | Representation |
---|---|
bin | 10111110110011011… |
… | …10011010110110110 |
3 | 1020001101011210202010 |
4 | 23323031303112312 |
5 | 202210441242123 |
6 | 5514331425050 |
7 | 632211410400 |
oct | 137315632666 |
9 | 36041153663 |
10 | 12804634038 |
11 | 5480978089 |
12 | 25942b5186 |
13 | 1290a7aa41 |
14 | 896831b70 |
15 | 4ee210993 |
hex | 2fb3735b6 |
12804634038 has 48 divisors (see below), whose sum is σ = 30017870784. Its totient is φ = 3630528720.
The previous prime is 12804634001. The next prime is 12804634049. The reversal of 12804634038 is 83043640821.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12804633987 and 12804634005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127720 + ... + 204747.
It is an arithmetic number, because the mean of its divisors is an integer number (625372308).
Almost surely, 212804634038 is an apocalyptic number.
12804634038 is an abundant number, since it is smaller than the sum of its proper divisors (17213236746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12804634038 is a wasteful number, since it uses less digits than its factorization.
12804634038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332617 (or 332610 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 39.
The spelling of 12804634038 in words is "twelve billion, eight hundred four million, six hundred thirty-four thousand, thirty-eight".
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