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33004212101 = 721289522541
BaseRepresentation
bin11110101111001101…
…000100111110000101
310011012010020200121222
4132233031010332011
51020043034241401
623054550450125
72245606113500
oct365715047605
9104163220558
1033004212101
1112aa7021053
126491063945
13315c8c28b3
14185142a137
15cd2750c1b
hex7af344f85

33004212101 has 12 divisors (see below), whose sum is σ = 38422513260. Its totient is φ = 28267323840.

The previous prime is 33004212061. The next prime is 33004212169. The reversal of 33004212101 is 10121240033.

It can be written as a sum of positive squares in 2 ways, for example, as 17272530625 + 15731681476 = 131425^2 + 125426^2 .

It is not a de Polignac number, because 33004212101 - 222 = 33000017797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33004212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33004212601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198110 + ... + 324431.

It is an arithmetic number, because the mean of its divisors is an integer number (3201876105).

Almost surely, 233004212101 is an apocalyptic number.

It is an amenable number.

33004212101 is a deficient number, since it is larger than the sum of its proper divisors (5418301159).

33004212101 is a wasteful number, since it uses less digits than its factorization.

33004212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523844 (or 523837 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 33004212101 its reverse (10121240033), we get a palindrome (43125452134).

The spelling of 33004212101 in words is "thirty-three billion, four million, two hundred twelve thousand, one hundred one".

Divisors: 1 7 49 1289 9023 63161 522541 3657787 25604509 673555349 4714887443 33004212101