Base | Representation |
---|---|
bin | 1001101101001000… |
… | …0110001001011100 |
3 | 20201120011111100200 |
4 | 2123102012021130 |
5 | 20313413243002 |
6 | 1110302423500 |
7 | 121362636666 |
oct | 23322061134 |
9 | 6646144320 |
10 | 2605212252 |
11 | 1117635585 |
12 | 608591b90 |
13 | 326979516 |
14 | 1a9ddb536 |
15 | 103aaeb1c |
hex | 9b48625c |
2605212252 has 18 divisors (see below), whose sum is σ = 6585397728. Its totient is φ = 868404072.
The previous prime is 2605212229. The next prime is 2605212263. The reversal of 2605212252 is 2522125062.
2605212252 is a `hidden beast` number, since 2 + 605 + 2 + 1 + 2 + 2 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36183468 + ... + 36183539.
Almost surely, 22605212252 is an apocalyptic number.
It is an amenable number.
2605212252 is an abundant number, since it is smaller than the sum of its proper divisors (3980185476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2605212252 is a wasteful number, since it uses less digits than its factorization.
2605212252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72367017 (or 72367012 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2605212252 is about 51041.2798820719. The cubic root of 2605212252 is about 1375.9871262260.
The spelling of 2605212252 in words is "two billion, six hundred five million, two hundred twelve thousand, two hundred fifty-two".
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