Base | Representation |
---|---|
bin | 10010111100100000… |
… | …001001001111010001 |
3 | 1221111200211121112121 |
4 | 102330200021033101 |
5 | 313130124142431 |
6 | 13202320254241 |
7 | 1320050436214 |
oct | 227440111721 |
9 | 57450747477 |
10 | 20342412241 |
11 | 8699841448 |
12 | 3b38771381 |
13 | 1bc2605228 |
14 | dad97977b |
15 | 7e0d56611 |
hex | 4bc8093d1 |
20342412241 has 4 divisors (see below), whose sum is σ = 20342698992. Its totient is φ = 20342125492.
The previous prime is 20342412221. The next prime is 20342412287. The reversal of 20342412241 is 14221424302.
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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20342412241 - 221 = 20340315089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20342412221) 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, 49746 + ... + 207748.
It is an arithmetic number, because the mean of its divisors is an integer number (5085674748).
Almost surely, 220342412241 is an apocalyptic number.
It is an amenable number.
20342412241 is a deficient number, since it is larger than the sum of its proper divisors (286751).
20342412241 is a wasteful number, since it uses less digits than its factorization.
20342412241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286750.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 20342412241 its reverse (14221424302), we get a palindrome (34563836543).
The spelling of 20342412241 in words is "twenty billion, three hundred forty-two million, four hundred twelve thousand, two hundred forty-one".
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