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20233030211 = 532141178307
BaseRepresentation
bin10010110101111110…
…111000101001000011
31221020002000102121022
4102311332320221003
5312414123431321
613143412020055
71314251630162
oct226576705103
957202012538
1020233030211
118643022079
123b0800162b
131ba5a58234
14d9d2253d9
157d644bdab
hex4b5fb8a43

20233030211 has 8 divisors (see below), whose sum is σ = 20624529744. Its totient is φ = 19841891680.

The previous prime is 20233030193. The next prime is 20233030219. The reversal of 20233030211 is 11203033202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20233030211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20233030211.

It is not an unprimeable number, because it can be changed into a prime (20233030219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24320 + ... + 202626.

It is an arithmetic number, because the mean of its divisors is an integer number (2578066218).

Almost surely, 220233030211 is an apocalyptic number.

20233030211 is a deficient number, since it is larger than the sum of its proper divisors (391499533).

20233030211 is a wasteful number, since it uses less digits than its factorization.

20233030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180501.

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

Adding to 20233030211 its reverse (11203033202), we get a palindrome (31436063413).

The spelling of 20233030211 in words is "twenty billion, two hundred thirty-three million, thirty thousand, two hundred eleven".

Divisors: 1 53 2141 113473 178307 9450271 381755287 20233030211