Base | Representation |
---|---|
bin | 110000110011… |
… | …011110111100 |
3 | 220001222210000 |
4 | 300303132330 |
5 | 11233400123 |
6 | 1134114300 |
7 | 213513450 |
oct | 60633674 |
9 | 26058700 |
10 | 12793788 |
11 | 7249187 |
12 | 434b990 |
13 | 285c3b7 |
14 | 19b0660 |
15 | 11cab43 |
hex | c337bc |
12793788 has 60 divisors (see below), whose sum is σ = 38230192. Its totient is φ = 3654720.
The previous prime is 12793757. The next prime is 12793801. The reversal of 12793788 is 88739721.
12793788 is a `hidden beast` number, since 1 + 279 + 378 + 8 = 666.
It is a super-2 number, since 2×127937882 = 327362022777888, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 553 + ... + 5088.
Almost surely, 212793788 is an apocalyptic number.
12793788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12793788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19115096).
12793788 is an abundant number, since it is smaller than the sum of its proper divisors (25436404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12793788 is a wasteful number, since it uses less digits than its factorization.
12793788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5664 (or 5653 counting only the distinct ones).
The product of its digits is 169344, while the sum is 45.
The square root of 12793788 is about 3576.8405052504. The cubic root of 12793788 is about 233.8835712708.
The spelling of 12793788 in words is "twelve million, seven hundred ninety-three thousand, seven hundred eighty-eight".
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