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33102032142 = 2319290368703
BaseRepresentation
bin11110110101000010…
…001110110100001110
310011102221022110111110
4132311002032310032
51020243110012032
623112403232450
72251204426224
oct366502166416
9104387273443
1033102032142
1113047263763
1264b9978726
133176c5208a
141860410b14
15cdb1247cc
hex7b508ed0e

33102032142 has 16 divisors (see below), whose sum is σ = 69688488960. Its totient is φ = 10453273272.

The previous prime is 33102032141. The next prime is 33102032153. The reversal of 33102032142 is 24123020133.

It is a super-2 number, since 2×331020321422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33102032141) 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, 145184238 + ... + 145184465.

It is an arithmetic number, because the mean of its divisors is an integer number (4355530560).

Almost surely, 233102032142 is an apocalyptic number.

33102032142 is an abundant number, since it is smaller than the sum of its proper divisors (36586456818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33102032142 is a wasteful number, since it uses less digits than its factorization.

33102032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290368727.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33102032142 its reverse (24123020133), we get a palindrome (57225052275).

The spelling of 33102032142 in words is "thirty-three billion, one hundred two million, thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 290368703 580737406 871106109 1742212218 5517005357 11034010714 16551016071 33102032142