Base | Representation |
---|---|
bin | 111011111110100… |
… | …0110001110101001 |
3 | 12012020212211212021 |
4 | 1313331012032221 |
5 | 13110200130001 |
6 | 531410544441 |
7 | 100605003343 |
oct | 16775061651 |
9 | 5166784767 |
10 | 2012505001 |
11 | 943008881 |
12 | 481b98121 |
13 | 260c35180 |
14 | 1513d2293 |
15 | bba32ba1 |
hex | 77f463a9 |
2012505001 has 8 divisors (see below), whose sum is σ = 2167772544. Its totient is φ = 1857303120.
The previous prime is 2012504983. The next prime is 2012505059. The reversal of 2012505001 is 1005052102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2012505001 - 27 = 2012504873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012505071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60690 + ... + 87796.
It is an arithmetic number, because the mean of its divisors is an integer number (270971568).
Almost surely, 22012505001 is an apocalyptic number.
It is an amenable number.
2012505001 is a deficient number, since it is larger than the sum of its proper divisors (155267543).
2012505001 is a wasteful number, since it uses less digits than its factorization.
2012505001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32831.
The product of its (nonzero) digits is 100, while the sum is 16.
The square root of 2012505001 is about 44860.9518512481. The cubic root of 2012505001 is about 1262.5414817073.
Adding to 2012505001 its reverse (1005052102), we get a palindrome (3017557103).
The spelling of 2012505001 in words is "two billion, twelve million, five hundred five thousand, one".
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