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33020235023 = 33403988541
BaseRepresentation
bin11110110000001010…
…001100110100001111
310011020020101201221112
4132300022030310033
51020111140010043
623100322122235
72246162236526
oct366012146417
9104206351845
1033020235023
1113005075336
1264964b037b
133163012a09
1418535db4bd
15cd3d68518
hex7b028cd0f

33020235023 has 4 divisors (see below), whose sum is σ = 33021256968. Its totient is φ = 33019213080.

The previous prime is 33020235019. The next prime is 33020235037. The reversal of 33020235023 is 32053202033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32053202033 = 199161071367.

It is a cyclic number.

It is not a de Polignac number, because 33020235023 - 22 = 33020235019 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 33020235023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020265023) 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, 460868 + ... + 527673.

It is an arithmetic number, because the mean of its divisors is an integer number (8255314242).

Almost surely, 233020235023 is an apocalyptic number.

33020235023 is a deficient number, since it is larger than the sum of its proper divisors (1021945).

33020235023 is an equidigital number, since it uses as much as digits as its factorization.

33020235023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021944.

The product of its (nonzero) digits is 3240, while the sum is 23.

Adding to 33020235023 its reverse (32053202033), we get a palindrome (65073437056).

The spelling of 33020235023 in words is "thirty-three billion, twenty million, two hundred thirty-five thousand, twenty-three".

Divisors: 1 33403 988541 33020235023