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2055715617 = 33178728087
BaseRepresentation
bin111101010000111…
…1011101100100001
312022021012011200110
41322201323230201
513202230344432
6535553041533
7101641202664
oct17241735441
95267164613
102055715617
1196544162a
124945562a9
13269b84197
1415703d6db
15c071adcc
hex7a87bb21

2055715617 has 16 divisors (see below), whose sum is σ = 2833068032. Its totient is φ = 1324535760.

The previous prime is 2055715609. The next prime is 2055715631. The reversal of 2055715617 is 7165175502.

It is not a de Polignac number, because 2055715617 - 23 = 2055715609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055715637) 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, 59148 + ... + 87234.

It is an arithmetic number, because the mean of its divisors is an integer number (177066752).

Almost surely, 22055715617 is an apocalyptic number.

It is an amenable number.

2055715617 is a deficient number, since it is larger than the sum of its proper divisors (777352415).

2055715617 is a wasteful number, since it uses less digits than its factorization.

2055715617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28908.

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 2055715617 is about 45340.0001874724. Note that the first 3 decimals coincide. The cubic root of 2055715617 is about 1271.5136058883.

The spelling of 2055715617 in words is "two billion, fifty-five million, seven hundred fifteen thousand, six hundred seventeen".

Divisors: 1 3 31 93 787 2361 24397 28087 73191 84261 870697 2612091 22104469 66313407 685238539 2055715617