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33505505242 = 211312586591
BaseRepresentation
bin11111001101000101…
…010110111111011010
310012111001112000112121
4133031011112333122
51022104402131432
623220415131454
72264204044516
oct371505267732
9105431460477
1033505505242
1113233a91000
1265b0b13b8a
13320c70b461
14189bc3b146
15d11772197
hex7cd156fda

33505505242 has 16 divisors (see below), whose sum is σ = 55280312064. Its totient is φ = 15229773900.

The previous prime is 33505505191. The next prime is 33505505249. The reversal of 33505505242 is 24250550533.

It is a super-2 number, since 2×335055052422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33505505198 and 33505505207.

It is not an unprimeable number, because it can be changed into a prime (33505505249) 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, 6290634 + ... + 6295957.

It is an arithmetic number, because the mean of its divisors is an integer number (3455019504).

Almost surely, 233505505242 is an apocalyptic number.

33505505242 is a deficient number, since it is larger than the sum of its proper divisors (21774806822).

33505505242 is a wasteful number, since it uses less digits than its factorization.

33505505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586626 (or 12586604 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 33505505242 in words is "thirty-three billion, five hundred five million, five hundred five thousand, two hundred forty-two".

Divisors: 1 2 11 22 121 242 1331 2662 12586591 25173182 138452501 276905002 1522977511 3045955022 16752752621 33505505242