Base | Representation |
---|---|
bin | 10010101000011010… |
… | …101010111100110101 |
3 | 1220122012202022010012 |
4 | 102220122222330311 |
5 | 311432342330031 |
6 | 13105041510005 |
7 | 1305516242651 |
oct | 225032527465 |
9 | 56565668105 |
10 | 20005433141 |
11 | 8536600021 |
12 | 3a63942305 |
13 | 1b6a85a905 |
14 | d7acdba61 |
15 | 7c1490b2b |
hex | 4a86aaf35 |
20005433141 has 4 divisors (see below), whose sum is σ = 20006033772. Its totient is φ = 20004832512.
The previous prime is 20005433131. The next prime is 20005433183. The reversal of 20005433141 is 14133450002.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11421410641 + 8584022500 = 106871^2 + 92650^2 .
It is a cyclic number.
It is not a de Polignac number, because 20005433141 - 226 = 19938324277 is a prime.
It is a super-2 number, since 2×200054331412 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20005433131) 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, 247226 + ... + 318011.
It is an arithmetic number, because the mean of its divisors is an integer number (5001508443).
Almost surely, 220005433141 is an apocalyptic number.
It is an amenable number.
20005433141 is a deficient number, since it is larger than the sum of its proper divisors (600631).
20005433141 is an equidigital number, since it uses as much as digits as its factorization.
20005433141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600630.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 20005433141 its reverse (14133450002), we get a palindrome (34138883143).
The spelling of 20005433141 in words is "twenty billion, five million, four hundred thirty-three thousand, one hundred forty-one".
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