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20230221113 = 231361646271
BaseRepresentation
bin10010110101110100…
…001010110100111001
31221012212201201020122
4102311310022310321
5312412414033423
613143231503025
71314216020324
oct226564126471
957185651218
1020230221113
118641483603
123b07087a75
131ba52b374b
14d9cad37bb
157d60948c8
hex4b5d0ad39

20230221113 has 8 divisors (see below), whose sum is σ = 21125339136. Its totient is φ = 19336398400.

The previous prime is 20230221097. The next prime is 20230221161. The reversal of 20230221113 is 31112203202.

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 20230221113 - 24 = 20230221097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230221091 and 20230221100.

It is not an unprimeable number, because it can be changed into a prime (20230221173) 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, 291833 + ... + 354438.

It is an arithmetic number, because the mean of its divisors is an integer number (2640667392).

Almost surely, 220230221113 is an apocalyptic number.

20230221113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20230221113 is a deficient number, since it is larger than the sum of its proper divisors (895118023).

20230221113 is a wasteful number, since it uses less digits than its factorization.

20230221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647655.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20230221113 its reverse (31112203202), we get a palindrome (51342424315).

The spelling of 20230221113 in words is "twenty billion, two hundred thirty million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 23 1361 31303 646271 14864233 879574831 20230221113