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2930808205 = 513295315269
BaseRepresentation
bin1010111010110000…
…1001010110001101
321120020211111001001
42232230021112031
522000241330310
61202453220301
7132425313223
oct25654112615
97506744031
102930808205
111274401646
12699631691
13379269850
141db354b13
1512247793a
hexaeb0958d

2930808205 has 16 divisors (see below), whose sum is σ = 3789036720. Its totient is φ = 2163414528.

The previous prime is 2930808191. The next prime is 2930808227. The reversal of 2930808205 is 5028080392.

2930808205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 42068196 + 2888740009 = 6486^2 + 53747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2930808205 - 213 = 2930800013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184311 + ... + 199579.

It is an arithmetic number, because the mean of its divisors is an integer number (236814795).

Almost surely, 22930808205 is an apocalyptic number.

It is an amenable number.

2930808205 is a deficient number, since it is larger than the sum of its proper divisors (858228515).

2930808205 is a wasteful number, since it uses less digits than its factorization.

2930808205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2930808205 is about 54136.9393759935. The cubic root of 2930808205 is about 1431.0752349680.

Adding to 2930808205 its reverse (5028080392), we get a palindrome (7958888597).

The spelling of 2930808205 in words is "two billion, nine hundred thirty million, eight hundred eight thousand, two hundred five".

Divisors: 1 5 13 65 2953 14765 15269 38389 76345 191945 198497 992485 45089357 225446785 586161641 2930808205