Base | Representation |
---|---|
bin | 10111011110101101… |
… | …10101011000101100 |
3 | 1012112111210122022210 |
4 | 23233112311120230 |
5 | 201304023100202 |
6 | 5442503210420 |
7 | 624244320135 |
oct | 135726653054 |
9 | 35474718283 |
10 | 12605675052 |
11 | 5389636273 |
12 | 2539746a10 |
13 | 125b799529 |
14 | 878240c8c |
15 | 4dba0ec6c |
hex | 2ef5b562c |
12605675052 has 18 divisors (see below), whose sum is σ = 29414149324. Its totient is φ = 4201762040.
The previous prime is 12605675051. The next prime is 12605675081. The reversal of 12605675052 is 25057650621.
It is a self number, because there is not a number n which added to its sum of digits gives 12605675052.
It is not an unprimeable number, because it can be changed into a prime (12605675051) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372727 + ... + 405137.
Almost surely, 212605675052 is an apocalyptic number.
12605675052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12605675052 is an abundant number, since it is smaller than the sum of its proper divisors (16808474272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12605675052 is an frugal number, since it uses more digits than its factorization.
12605675052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64829 (or 32416 counting only the distinct ones).
The product of its (nonzero) digits is 126000, while the sum is 39.
The spelling of 12605675052 in words is "twelve billion, six hundred five million, six hundred seventy-five thousand, fifty-two".
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