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3081960205 = 5616392041
BaseRepresentation
bin1011011110110010…
…1111101100001101
321221210020210121021
42313230233230031
522302440211310
61225453034141
7136242141502
oct26754575415
97853223537
103081960205
111341760355
12720185951
133a167cbbc
1421345d4a9
151308835da
hexb7b2fb0d

3081960205 has 4 divisors (see below), whose sum is σ = 3698352252. Its totient is φ = 2465568160.

The previous prime is 3081960197. The next prime is 3081960241. The reversal of 3081960205 is 5020691803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1161241929 + 1920718276 = 34077^2 + 43826^2 .

It is not a de Polignac number, because 3081960205 - 23 = 3081960197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308196016 + ... + 308196025.

It is an arithmetic number, because the mean of its divisors is an integer number (924588063).

Almost surely, 23081960205 is an apocalyptic number.

It is an amenable number.

3081960205 is a deficient number, since it is larger than the sum of its proper divisors (616392047).

3081960205 is an equidigital number, since it uses as much as digits as its factorization.

3081960205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616392046.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 3081960205 is about 55515.4051142563. The cubic root of 3081960205 is about 1455.2658638809.

The spelling of 3081960205 in words is "three billion, eighty-one million, nine hundred sixty thousand, two hundred five".

Divisors: 1 5 616392041 3081960205