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33805130649 = 317662845699
BaseRepresentation
bin11111011110111100…
…010101101110011001
310020020221022120022220
4133132330111232121
51023213103140044
623310241134253
72304502604133
oct373674255631
9106227276286
1033805130649
111337812a004
12667532a389
1332598078b4
1418c9954053
15d2cc0a019
hex7def15b99

33805130649 has 8 divisors (see below), whose sum is σ = 47724890400. Its totient is φ = 21211062336.

The previous prime is 33805130641. The next prime is 33805130677. The reversal of 33805130649 is 94603150833.

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

It is not a de Polignac number, because 33805130649 - 23 = 33805130641 is a prime.

It is a super-2 number, since 2×338051306492 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33805130649.

It is not an unprimeable number, because it can be changed into a prime (33805130641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 331422799 + ... + 331422900.

It is an arithmetic number, because the mean of its divisors is an integer number (5965611300).

Almost surely, 233805130649 is an apocalyptic number.

It is an amenable number.

33805130649 is a deficient number, since it is larger than the sum of its proper divisors (13919759751).

33805130649 is a wasteful number, since it uses less digits than its factorization.

33805130649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662845719.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 33805130649 in words is "thirty-three billion, eight hundred five million, one hundred thirty thousand, six hundred forty-nine".

Divisors: 1 3 17 51 662845699 1988537097 11268376883 33805130649