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34231420443 = 31113122734883
BaseRepresentation
bin11111111000010110…
…100000011000011011
310021100122110022222210
4133320112200120123
51030101220423233
623420430050203
72321200162413
oct377026403033
9107318408883
1034231420443
1113576820920
126774049963
1332c6c2248c
14192a3dd643
15d55363163
hex7f85a061b

34231420443 has 32 divisors (see below), whose sum is σ = 50393705472. Its totient is φ = 20496663200.

The previous prime is 34231420429. The next prime is 34231420477. The reversal of 34231420443 is 34402413243.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34231420443 - 29 = 34231419931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34231420443.

It is not an unprimeable number, because it can be changed into a prime (34231420043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963880 + ... + 998762.

It is an arithmetic number, because the mean of its divisors is an integer number (1574803296).

Almost surely, 234231420443 is an apocalyptic number.

34231420443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34231420443 is a deficient number, since it is larger than the sum of its proper divisors (16162285029).

34231420443 is a wasteful number, since it uses less digits than its factorization.

34231420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35255.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 34231420443 its reverse (34402413243), we get a palindrome (68633833686).

The spelling of 34231420443 in words is "thirty-four billion, two hundred thirty-one million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 3 11 33 131 227 393 681 1441 2497 4323 7491 29737 34883 89211 104649 327107 383713 981321 1151139 4569673 7918441 13709019 23755323 50266403 87102851 150799209 261308553 1037315771 3111947313 11410473481 34231420443