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33906850690 = 2537442320719
BaseRepresentation
bin11111100101000000…
…010111101110000010
310020112000201110222211
4133211000113232002
51023420123210230
623324313252334
72310146322046
oct374500275602
9106460643884
1033906850690
111341a595859
1266a34040aa
13327490127b
1418d9272026
15d36aee42a
hex7e5017b82

33906850690 has 32 divisors (see below), whose sum is σ = 62699051520. Its totient is φ = 13192559424.

The previous prime is 33906850661. The next prime is 33906850697. The reversal of 33906850690 is 9605860933.

It is a super-2 number, since 2×339068506902 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (33906850697) 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 15 ways as a sum of consecutive naturals, for example, 1626151 + ... + 1646869.

It is an arithmetic number, because the mean of its divisors is an integer number (1959345360).

Almost surely, 233906850690 is an apocalyptic number.

33906850690 is a deficient number, since it is larger than the sum of its proper divisors (28792200830).

33906850690 is a wasteful number, since it uses less digits than its factorization.

33906850690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 33906850690 in words is "thirty-three billion, nine hundred six million, eight hundred fifty thousand, six hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 4423 8846 20719 22115 41438 44230 103595 163651 207190 327302 766603 818255 1533206 1636510 3833015 7666030 91640137 183280274 458200685 916401370 3390685069 6781370138 16953425345 33906850690