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2989812606 = 231145300191
BaseRepresentation
bin1011001000110100…
…1110101101111110
321201100212012212020
42302031032231332
522110343000411
61212402021010
7134042662554
oct26215165576
97640765766
102989812606
1112a4742510
126b5347766
133885585b1
14205113bd4
15127730606
hexb234eb7e

2989812606 has 16 divisors (see below), whose sum is σ = 6523227648. Its totient is φ = 906003800.

The previous prime is 2989812599. The next prime is 2989812611. The reversal of 2989812606 is 6062189892.

It is a super-2 number, since 2×29898126062 = 17877958837993022472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22650030 + ... + 22650161.

It is an arithmetic number, because the mean of its divisors is an integer number (407701728).

Almost surely, 22989812606 is an apocalyptic number.

2989812606 is an abundant number, since it is smaller than the sum of its proper divisors (3533415042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989812606 is a wasteful number, since it uses less digits than its factorization.

2989812606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45300207.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2989812606 is about 54679.1789075147. The cubic root of 2989812606 is about 1440.6151894978.

The spelling of 2989812606 in words is "two billion, nine hundred eighty-nine million, eight hundred twelve thousand, six hundred six".

Divisors: 1 2 3 6 11 22 33 66 45300191 90600382 135900573 271801146 498302101 996604202 1494906303 2989812606