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33053124221 = 13107181113121
BaseRepresentation
bin11110110010000111…
…101010011001111101
310011022112021200102222
4132302013222121331
51020143044433341
623103455055125
72250041630435
oct366207523175
9104275250388
1033053124221
1113021699497
1264a55114a5
133169a89a90
141857b1d2c5
15cd6bb344b
hex7b21ea67d

33053124221 has 16 divisors (see below), whose sum is σ = 35950920768. Its totient is φ = 30206438400.

The previous prime is 33053124217. The next prime is 33053124227. The reversal of 33053124221 is 12242135033.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33053124221 - 22 = 33053124217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053124227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512541 + ... + 2525661.

It is an arithmetic number, because the mean of its divisors is an integer number (2246932548).

Almost surely, 233053124221 is an apocalyptic number.

It is an amenable number.

33053124221 is a deficient number, since it is larger than the sum of its proper divisors (2897796547).

33053124221 is a wasteful number, since it uses less digits than its factorization.

33053124221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 33053124221 its reverse (12242135033), we get a palindrome (45295259254).

The spelling of 33053124221 in words is "thirty-three billion, fifty-three million, one hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 13 107 1391 1811 13121 23543 170573 193777 1403947 2519101 18251311 23762131 308907703 2542548017 33053124221