Base | Representation |
---|---|
bin | 110001000111… |
… | …011111110000 |
3 | 220020011020000 |
4 | 301013133300 |
5 | 11244011020 |
6 | 1135550000 |
7 | 214304442 |
oct | 61073760 |
9 | 26204200 |
10 | 12875760 |
11 | 72a4827 |
12 | 438b300 |
13 | 288a7c1 |
14 | 19d2492 |
15 | 11e5090 |
hex | c477f0 |
12875760 has 100 divisors (see below), whose sum is σ = 44741928. Its totient is φ = 3431808.
The previous prime is 12875689. The next prime is 12875761. The reversal of 12875760 is 6757821.
12875760 is a `hidden beast` number, since 1 + 2 + 87 + 576 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12875761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5487 + ... + 7473.
Almost surely, 212875760 is an apocalyptic number.
12875760 is a gapful number since it is divisible by the number (10) 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 12875760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22370964).
12875760 is an abundant number, since it is smaller than the sum of its proper divisors (31866168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12875760 is a wasteful number, since it uses less digits than its factorization.
12875760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2012 (or 1997 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 12875760 is about 3588.2809254572. The cubic root of 12875760 is about 234.3820189898.
The spelling of 12875760 in words is "twelve million, eight hundred seventy-five thousand, seven hundred sixty".
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