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20430110433 = 3231399211643
BaseRepresentation
bin10011000001101110…
…101011111011100001
31221201210212010211210
4103001232223323201
5313320102013213
613215132100333
71322164034115
oct230156537341
957653763753
1020430110433
1187342a0397
123b620046a9
131c0782c555
14dbb487745
157e88cb0c3
hex4c1babee1

20430110433 has 16 divisors (see below), whose sum is σ = 28444953600. Its totient is φ = 13018522704.

The previous prime is 20430110419. The next prime is 20430110489. The reversal of 20430110433 is 33401103402.

It is not a de Polignac number, because 20430110433 - 26 = 20430110369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20430110333) 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 15 ways as a sum of consecutive naturals, for example, 9291 + ... + 202352.

It is an arithmetic number, because the mean of its divisors is an integer number (1777809600).

Almost surely, 220430110433 is an apocalyptic number.

20430110433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20430110433 is a deficient number, since it is larger than the sum of its proper divisors (8014843167).

20430110433 is a wasteful number, since it uses less digits than its factorization.

20430110433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213068.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20430110433 its reverse (33401103402), we get a palindrome (53831213835).

The spelling of 20430110433 in words is "twenty billion, four hundred thirty million, one hundred ten thousand, four hundred thirty-three".

Divisors: 1 3 23 69 1399 4197 32177 96531 211643 634929 4867789 14603367 296088557 888265671 6810036811 20430110433