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2905085513 = 11264098683
BaseRepresentation
bin1010110100101000…
…0001011001001001
321111110102122010202
42231022001121021
521422200214023
61200134021545
7131663551031
oct25512013111
97443378122
102905085513
111260932820
12690aa78b5
13373b31715
141d7b7a8c1
15120096128
hexad281649

2905085513 has 4 divisors (see below), whose sum is σ = 3169184208. Its totient is φ = 2640986820.

The previous prime is 2905085507. The next prime is 2905085531. The reversal of 2905085513 is 3155805092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2905085513 - 216 = 2905019977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2905085543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132049331 + ... + 132049352.

It is an arithmetic number, because the mean of its divisors is an integer number (792296052).

Almost surely, 22905085513 is an apocalyptic number.

It is an amenable number.

2905085513 is a deficient number, since it is larger than the sum of its proper divisors (264098695).

2905085513 is a wasteful number, since it uses less digits than its factorization.

2905085513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264098694.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 2905085513 is about 53898.8451917107. The cubic root of 2905085513 is about 1426.8762420732.

The spelling of 2905085513 in words is "two billion, nine hundred five million, eighty-five thousand, five hundred thirteen".

Divisors: 1 11 264098683 2905085513