Base | Representation |
---|---|
bin | 11000101011110011… |
… | …11010011111011100 |
3 | 1021012120201221022200 |
4 | 30111321322133130 |
5 | 204120103431322 |
6 | 10031005011500 |
7 | 646256404614 |
oct | 142571723734 |
9 | 37176657280 |
10 | 13252405212 |
11 | 5690701202 |
12 | 269a253b90 |
13 | 13327770b7 |
14 | 8da0ada44 |
15 | 5286ad8ac |
hex | 315e7a7dc |
13252405212 has 36 divisors (see below), whose sum is σ = 33504427320. Its totient is φ = 4416770592.
The previous prime is 13252405189. The next prime is 13252405219. The reversal of 13252405212 is 21250425231.
13252405212 is a `hidden beast` number, since 1 + 3 + 252 + 405 + 2 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13252405219) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234783 + ... + 285705.
Almost surely, 213252405212 is an apocalyptic number.
13252405212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13252405212 is an abundant number, since it is smaller than the sum of its proper divisors (20252022108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13252405212 is a wasteful number, since it uses less digits than its factorization.
13252405212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58162 (or 58157 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The spelling of 13252405212 in words is "thirteen billion, two hundred fifty-two million, four hundred five thousand, two hundred twelve".
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