Base | Representation |
---|---|
bin | 1011001110010001… |
… | …0101001000101100 |
3 | 21202221211020121000 |
4 | 2303210111020230 |
5 | 22132214123140 |
6 | 1214535240300 |
7 | 134441030541 |
oct | 26344251054 |
9 | 7687736530 |
10 | 3012645420 |
11 | 1306618104 |
12 | 700b19090 |
13 | 3901c1235 |
14 | 208178bc8 |
15 | 129740a30 |
hex | b391522c |
3012645420 has 96 divisors (see below), whose sum is σ = 9380629440. Its totient is φ = 802690560.
The previous prime is 3012645407. The next prime is 3012645421. The reversal of 3012645420 is 245462103.
3012645420 is a `hidden beast` number, since 3 + 0 + 12 + 645 + 4 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (3012645421) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193760 + ... + 1196280.
It is an arithmetic number, because the mean of its divisors is an integer number (97714890).
Almost surely, 23012645420 is an apocalyptic number.
3012645420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3012645420 is an abundant number, since it is smaller than the sum of its proper divisors (6367984020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3012645420 is a wasteful number, since it uses less digits than its factorization.
3012645420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4752 (or 4744 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 3012645420 is about 54887.5707241630. The cubic root of 3012645420 is about 1444.2731576816.
The spelling of 3012645420 in words is "three billion, twelve million, six hundred forty-five thousand, four hundred twenty".
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