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6538042133 = 77379161957
BaseRepresentation
bin1100001011011001…
…01001101100010101
3121212122110221201122
412011230221230111
5101342214322013
63000432533325
7321006304220
oct60554515425
917778427648
106538042133
112855610907
1213256b1245
138026b04ac
144604685b7
15283eb7a08
hex185b29b15

6538042133 has 16 divisors (see below), whose sum is σ = 7670330880. Its totient is φ = 5457269376.

The previous prime is 6538042127. The next prime is 6538042153. The reversal of 6538042133 is 3312408356.

It is a cyclic number.

It is not a de Polignac number, because 6538042133 - 214 = 6538025749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6538042093 and 6538042102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538042153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40610 + ... + 121347.

It is an arithmetic number, because the mean of its divisors is an integer number (479395680).

Almost surely, 26538042133 is an apocalyptic number.

It is an amenable number.

6538042133 is a deficient number, since it is larger than the sum of its proper divisors (1132288747).

6538042133 is a wasteful number, since it uses less digits than its factorization.

6538042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162116.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6538042133 is about 80858.1605838273. The cubic root of 6538042133 is about 1869.8893366791.

The spelling of 6538042133 in words is "six billion, five hundred thirty-eight million, forty-two thousand, one hundred thirty-three".

Divisors: 1 7 73 79 511 553 5767 40369 161957 1133699 11822861 12794603 82760027 89562221 934006019 6538042133