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33020396149 = 132957858989
BaseRepresentation
bin11110110000001010…
…110100001001110101
310011020020200220222011
4132300022310021311
51020111210134044
623100325404221
72246163510346
oct366012641165
9104206626864
1033020396149
11130051753a4
126496569671
13316306b160
1418536400cd
15cd3d9b134
hex7b02b4275

33020396149 has 8 divisors (see below), whose sum is σ = 35572493880. Its totient is φ = 30470022336.

The previous prime is 33020396147. The next prime is 33020396159. The reversal of 33020396149 is 94169302033.

It can be written as a sum of positive squares in 4 ways, for example, as 4047249924 + 28973146225 = 63618^2 + 170215^2 .

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

It is not a de Polignac number, because 33020396149 - 21 = 33020396147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020396147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391054 + ... + 467935.

It is an arithmetic number, because the mean of its divisors is an integer number (4446561735).

Almost surely, 233020396149 is an apocalyptic number.

It is an amenable number.

33020396149 is a deficient number, since it is larger than the sum of its proper divisors (2552097731).

33020396149 is a wasteful number, since it uses less digits than its factorization.

33020396149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861959.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 33020396149 in words is "thirty-three billion, twenty million, three hundred ninety-six thousand, one hundred forty-nine".

Divisors: 1 13 2957 38441 858989 11166857 2540030473 33020396149