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33543420242 = 2112731487777
BaseRepresentation
bin11111001111010101…
…111111100101010010
310012120200212022010212
4133033111333211102
51022144103421432
623224251524122
72265144240053
oct371725774522
9105520768125
1033543420242
1113253428112
126601759642
133217524c77
1418a2caa72a
15d14c612b2
hex7cf57f952

33543420242 has 8 divisors (see below), whose sum is σ = 50319627516. Its totient is φ = 16770211072.

The previous prime is 33543420193. The next prime is 33543420283. The reversal of 33543420242 is 24202434533.

It can be written as a sum of positive squares in 2 ways, for example, as 33339473281 + 203946961 = 182591^2 + 14281^2 .

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

It is a super-2 number, since 2×335434202422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33543420199 and 33543420208.

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 3 ways as a sum of consecutive naturals, for example, 721343 + ... + 766434.

Almost surely, 233543420242 is an apocalyptic number.

33543420242 is a deficient number, since it is larger than the sum of its proper divisors (16776207274).

33543420242 is a wasteful number, since it uses less digits than its factorization.

33543420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499052.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 33543420242 its reverse (24202434533), we get a palindrome (57745854775).

The spelling of 33543420242 in words is "thirty-three billion, five hundred forty-three million, four hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 11273 22546 1487777 2975554 16771710121 33543420242