Base | Representation |
---|---|
bin | 10010110101110100… |
… | …100011000100100101 |
3 | 1221012212220202110201 |
4 | 102311310203010211 |
5 | 312412430223141 |
6 | 13143233550501 |
7 | 1314216613003 |
oct | 226564430445 |
9 | 57185822421 |
10 | 20230320421 |
11 | 8641541183 |
12 | 3b07115431 |
13 | 1ba53199cc |
14 | d9cb1ba73 |
15 | 7d60b4031 |
hex | 4b5d23125 |
20230320421 has 8 divisors (see below), whose sum is σ = 20510029440. Its totient is φ = 19950681312.
The previous prime is 20230320391. The next prime is 20230320469. The reversal of 20230320421 is 12402303202.
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 20230320421 - 211 = 20230318373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20230390421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882126 + ... + 904768.
It is an arithmetic number, because the mean of its divisors is an integer number (2563753680).
Almost surely, 220230320421 is an apocalyptic number.
It is an amenable number.
20230320421 is a deficient number, since it is larger than the sum of its proper divisors (279709019).
20230320421 is a wasteful number, since it uses less digits than its factorization.
20230320421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34955.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 20230320421 its reverse (12402303202), we get a palindrome (32632623623).
The spelling of 20230320421 in words is "twenty billion, two hundred thirty million, three hundred twenty thousand, four hundred twenty-one".
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