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2081085579 = 32231231731
BaseRepresentation
bin111110000001010…
…1101100010001011
312101000221002201200
41330002231202023
513230224214304
6542300515243
7102366635616
oct17402554213
95330832650
102081085579
1197879a441
124a0b4bb23
132721c78b1
1415a56517d
15c2a7ce39
hex7c0ad88b

2081085579 has 6 divisors (see below), whose sum is σ = 3006012516. Its totient is φ = 1387390380.

The previous prime is 2081085551. The next prime is 2081085613. The reversal of 2081085579 is 9755801802.

It is a happy number.

It is not a de Polignac number, because 2081085579 - 25 = 2081085547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081085079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115615857 + ... + 115615874.

It is an arithmetic number, because the mean of its divisors is an integer number (501002086).

Almost surely, 22081085579 is an apocalyptic number.

2081085579 is a deficient number, since it is larger than the sum of its proper divisors (924926937).

2081085579 is a wasteful number, since it uses less digits than its factorization.

2081085579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231231737 (or 231231734 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 2081085579 is about 45618.9168985850. The cubic root of 2081085579 is about 1276.7228952716.

The spelling of 2081085579 in words is "two billion, eighty-one million, eighty-five thousand, five hundred seventy-nine".

Divisors: 1 3 9 231231731 693695193 2081085579