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33530431073 is a prime number
BaseRepresentation
bin11111001110100100…
…011100011001100001
310012112210102101100112
4133032210130121201
51022132242243243
623223105301105
72264625650546
oct371644343141
9105483371315
1033530431073
1113247066167
1265b9334795
133214927979
1418a1288bcd
15d13a47818
hex7ce91c661

33530431073 has 2 divisors, whose sum is σ = 33530431074. Its totient is φ = 33530431072.

The previous prime is 33530431063. The next prime is 33530431091. The reversal of 33530431073 is 37013403533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22204576144 + 11325854929 = 149012^2 + 106423^2 .

It is an emirp because it is prime and its reverse (37013403533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33530431073 - 24 = 33530431057 is a prime.

It is a super-2 number, since 2×335304310732 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33530431003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765215536 + 16765215537.

It is an arithmetic number, because the mean of its divisors is an integer number (16765215537).

Almost surely, 233530431073 is an apocalyptic number.

It is an amenable number.

33530431073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33530431073 is an equidigital number, since it uses as much as digits as its factorization.

33530431073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 32.

The spelling of 33530431073 in words is "thirty-three billion, five hundred thirty million, four hundred thirty-one thousand, seventy-three".