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33023122421 = 172530376771
BaseRepresentation
bin11110110000010101…
…001101101111110101
310011020102211102201012
4132300111031233311
51020112404404141
623100504042005
72246225623562
oct366025155765
9104212742635
1033023122421
1113006767713
126497463305
1331637b4033
141853b4d869
15cd4238ceb
hex7b054dbf5

33023122421 has 8 divisors (see below), whose sum is σ = 34967496384. Its totient is φ = 31078952640.

The previous prime is 33023122339. The next prime is 33023122427. The reversal of 33023122421 is 12422132033.

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-33023122421 is a prime.

It is a super-2 number, since 2×330231224212 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33023122427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391766 + ... + 468536.

It is an arithmetic number, because the mean of its divisors is an integer number (4370937048).

Almost surely, 233023122421 is an apocalyptic number.

It is an amenable number.

33023122421 is a deficient number, since it is larger than the sum of its proper divisors (1944373963).

33023122421 is a wasteful number, since it uses less digits than its factorization.

33023122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102091.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33023122421 its reverse (12422132033), we get a palindrome (45445254454).

The spelling of 33023122421 in words is "thirty-three billion, twenty-three million, one hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 17 25303 76771 430151 1305107 1942536613 33023122421