Base | Representation |
---|---|
bin | 10010101000001010… |
… | …010000011000110001 |
3 | 1220121220122200100211 |
4 | 102220022100120301 |
5 | 311430242130113 |
6 | 13104405344121 |
7 | 1305434541313 |
oct | 225012203061 |
9 | 56556580324 |
10 | 20001130033 |
11 | 8534131035 |
12 | 3a62408041 |
13 | 1b699b20b1 |
14 | d7a4db7b3 |
15 | 7c0de0b3d |
hex | 4a8290631 |
20001130033 has 4 divisors (see below), whose sum is σ = 20646327808. Its totient is φ = 19355932260.
The previous prime is 20001130013. The next prime is 20001130057. The reversal of 20001130033 is 33003110002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20001130033 - 217 = 20000998961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20001129995 and 20001130022.
It is not an unprimeable number, because it can be changed into a prime (20001130013) 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, 322598841 + ... + 322598902.
It is an arithmetic number, because the mean of its divisors is an integer number (5161581952).
Almost surely, 220001130033 is an apocalyptic number.
It is an amenable number.
20001130033 is a deficient number, since it is larger than the sum of its proper divisors (645197775).
20001130033 is an equidigital number, since it uses as much as digits as its factorization.
20001130033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645197774.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 20001130033 its reverse (33003110002), we get a palindrome (53004240035).
The spelling of 20001130033 in words is "twenty billion, one million, one hundred thirty thousand, thirty-three".
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