Base | Representation |
---|---|
bin | 10010101111111101… |
… | …110111101110001001 |
3 | 1220222001002200202102 |
4 | 102233331313232021 |
5 | 312212304213001 |
6 | 13125404443145 |
7 | 1311615015005 |
oct | 225775675611 |
9 | 56861080672 |
10 | 20132101001 |
11 | 85a1056501 |
12 | 3a9a2494b5 |
13 | 1b8ab7a7cc |
14 | d8da71705 |
15 | 7cc661e6b |
hex | 4aff77b89 |
20132101001 has 16 divisors (see below), whose sum is σ = 20610952320. Its totient is φ = 19660561920.
The previous prime is 20132100983. The next prime is 20132101007. The reversal of 20132101001 is 10010123102.
It is a cyclic number.
It is not a de Polignac number, because 20132101001 - 214 = 20132084617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20132101007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247191 + ... + 2256131.
It is an arithmetic number, because the mean of its divisors is an integer number (1288184520).
Almost surely, 220132101001 is an apocalyptic number.
It is an amenable number.
20132101001 is a deficient number, since it is larger than the sum of its proper divisors (478851319).
20132101001 is a wasteful number, since it uses less digits than its factorization.
20132101001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9344.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 20132101001 its reverse (10010123102), we get a palindrome (30142224103).
The spelling of 20132101001 in words is "twenty billion, one hundred thirty-two million, one hundred one thousand, one".
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