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20230211033 = 166912121157
BaseRepresentation
bin10010110101110100…
…001000010111011001
31221012212201012102022
4102311310020113121
5312412413223113
613143231344225
71314215646044
oct226564102731
957185635368
1020230211033
118641476a7a
123b07082075
131ba52abc96
14d9cacdc5b
157d6091908
hex4b5d085d9

20230211033 has 4 divisors (see below), whose sum is σ = 20242333860. Its totient is φ = 20218088208.

The previous prime is 20230211017. The next prime is 20230211147. The reversal of 20230211033 is 33011203202.

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 8703397264 + 11526813769 = 93292^2 + 107363^2 .

It is a cyclic number.

It is not a de Polignac number, because 20230211033 - 24 = 20230211017 is a prime.

It is a super-2 number, since 2×202302110332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6058910 + ... + 6062247.

It is an arithmetic number, because the mean of its divisors is an integer number (5060583465).

Almost surely, 220230211033 is an apocalyptic number.

It is an amenable number.

20230211033 is a deficient number, since it is larger than the sum of its proper divisors (12122827).

20230211033 is a wasteful number, since it uses less digits than its factorization.

20230211033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122826.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20230211033 its reverse (33011203202), we get a palindrome (53241414235).

The spelling of 20230211033 in words is "twenty billion, two hundred thirty million, two hundred eleven thousand, thirty-three".

Divisors: 1 1669 12121157 20230211033