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3057208561 = 113120274423
BaseRepresentation
bin1011011000111001…
…0100110011110001
321220001200021201201
42312032110303301
522230121133221
61223210331201
7135521562331
oct26616246361
97801607651
103057208561
111329795050
12713a29b01
133994c4a64
142100590c1
1512d5e4891
hexb6394cf1

3057208561 has 16 divisors (see below), whose sum is σ = 3445198848. Its totient is φ = 2687691600.

The previous prime is 3057208519. The next prime is 3057208571. The reversal of 3057208561 is 1658027503.

It is not a de Polignac number, because 3057208561 - 211 = 3057206513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3057208561.

It is not an unprimeable number, because it can be changed into a prime (3057208571) 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, 688996 + ... + 693418.

It is an arithmetic number, because the mean of its divisors is an integer number (215324928).

Almost surely, 23057208561 is an apocalyptic number.

3057208561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3057208561 is a deficient number, since it is larger than the sum of its proper divisors (387990287).

3057208561 is a wasteful number, since it uses less digits than its factorization.

3057208561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 3057208561 is about 55292.0298144317. The cubic root of 3057208561 is about 1451.3595747535.

The spelling of 3057208561 in words is "three billion, fifty-seven million, two hundred eight thousand, five hundred sixty-one".

Divisors: 1 11 31 341 2027 4423 22297 48653 62837 137113 691207 1508243 8965421 98619631 277928051 3057208561