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33142012025 = 521325680481
BaseRepresentation
bin11110110111011010…
…101111100001111001
310011112201112122120212
4132313122233201321
51020333323341100
623120352200505
72252201311523
oct366732574171
9104481478525
1033142012025
1113067890191
12650b239135
13318230c705
14186585aa13
15cde8c0635
hex7b76af879

33142012025 has 6 divisors (see below), whose sum is σ = 41096094942. Its totient is φ = 26513609600.

The previous prime is 33142011997. The next prime is 33142012049. The reversal of 33142012025 is 52021024133.

It can be written as a sum of positive squares in 3 ways, for example, as 8262628201 + 24879383824 = 90899^2 + 157732^2 .

It is not a de Polignac number, because 33142012025 - 28 = 33142011769 is a prime.

It is a super-2 number, since 2×331420120252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662840216 + ... + 662840265.

It is an arithmetic number, because the mean of its divisors is an integer number (6849349157).

Almost surely, 233142012025 is an apocalyptic number.

It is an amenable number.

33142012025 is a deficient number, since it is larger than the sum of its proper divisors (7954082917).

33142012025 is a wasteful number, since it uses less digits than its factorization.

33142012025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325680491 (or 1325680486 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 33142012025 its reverse (52021024133), we get a palindrome (85163036158).

The spelling of 33142012025 in words is "thirty-three billion, one hundred forty-two million, twelve thousand, twenty-five".

Divisors: 1 5 25 1325680481 6628402405 33142012025