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33202342121 = 132988069873
BaseRepresentation
bin11110111011000000…
…111000100011101001
310011200221001201220212
4132323000320203221
51020444244421441
623130345230505
72253533152154
oct367300704351
9104627051825
1033202342121
1113098947073
126527492435
1331919739b0
14186d882c9b
15ce4d3aeeb
hex7bb0388e9

33202342121 has 8 divisors (see below), whose sum is σ = 36989347080. Its totient is φ = 29591476992.

The previous prime is 33202342097. The next prime is 33202342153. The reversal of 33202342121 is 12124320233.

It can be written as a sum of positive squares in 4 ways, for example, as 18619225 + 33183722896 = 4315^2 + 182164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33202342121 - 222 = 33198147817 is a prime.

It is a super-2 number, since 2×332023421212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33202342421) 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, 44034560 + ... + 44035313.

It is an arithmetic number, because the mean of its divisors is an integer number (4623668385).

Almost surely, 233202342121 is an apocalyptic number.

It is an amenable number.

33202342121 is a deficient number, since it is larger than the sum of its proper divisors (3787004959).

33202342121 is a wasteful number, since it uses less digits than its factorization.

33202342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88069915.

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

Adding to 33202342121 its reverse (12124320233), we get a palindrome (45326662354).

The spelling of 33202342121 in words is "thirty-three billion, two hundred two million, three hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 13 29 377 88069873 1144908349 2554026317 33202342121