Base | Representation |
---|---|
bin | 100101100011111… |
… | …000001001011100 |
3 | 1121220202112202210 |
4 | 211203320021130 |
5 | 2242310141022 |
6 | 142310320420 |
7 | 21421201014 |
oct | 4543701134 |
9 | 1556675683 |
10 | 630162012 |
11 | 2a378a057 |
12 | 157059110 |
13 | a072953c |
14 | 5d998c44 |
15 | 3a4c9a0c |
hex | 258f825c |
630162012 has 12 divisors (see below), whose sum is σ = 1470378056. Its totient is φ = 210054000.
The previous prime is 630162011. The next prime is 630162019. The reversal of 630162012 is 210261036.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×6301620122 = 794208322735776288, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 630162012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630162011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26256739 + ... + 26256762.
Almost surely, 2630162012 is an apocalyptic number.
It is an amenable number.
630162012 is an abundant number, since it is smaller than the sum of its proper divisors (840216044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630162012 is a wasteful number, since it uses less digits than its factorization.
630162012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52513508 (or 52513506 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 630162012 is about 25103.0279448516. The cubic root of 630162012 is about 857.3353669664.
The spelling of 630162012 in words is "six hundred thirty million, one hundred sixty-two thousand, twelve".
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