Base | Representation |
---|---|
bin | 10111011000101000… |
… | …00001000111100100 |
3 | 1012101221201000102102 |
4 | 23230110001013210 |
5 | 201202434330103 |
6 | 5433440431232 |
7 | 623054245010 |
oct | 135424010744 |
9 | 35357630372 |
10 | 12554605028 |
11 | 5362824639 |
12 | 2524618518 |
13 | 1251028094 |
14 | 871549540 |
15 | 4d72c2e88 |
hex | 2ec5011e4 |
12554605028 has 12 divisors (see below), whose sum is σ = 25109210112. Its totient is φ = 5380545000.
The previous prime is 12554605027. The next prime is 12554605057. The reversal of 12554605028 is 82050645521.
12554605028 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 12554604982 and 12554605000.
It is not an unprimeable number, because it can be changed into a prime (12554605027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224189348 + ... + 224189403.
It is an arithmetic number, because the mean of its divisors is an integer number (2092434176).
Almost surely, 212554605028 is an apocalyptic number.
It is an amenable number.
12554605028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12554605028 is a wasteful number, since it uses less digits than its factorization.
12554605028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448378762 (or 448378760 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 38.
The spelling of 12554605028 in words is "twelve billion, five hundred fifty-four million, six hundred five thousand, twenty-eight".
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