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2992806189 = 32332534021
BaseRepresentation
bin1011001001100010…
…1001100100101101
321201120111022021200
42302120221210231
522112124244224
61212550120113
7134110301322
oct26230514455
97646438250
102992806189
1112a63a764a
126b6350039
13389066049
14205692b49
15127b225c9
hexb262992d

2992806189 has 6 divisors (see below), whose sum is σ = 4322942286. Its totient is φ = 1995204120.

The previous prime is 2992806163. The next prime is 2992806197. The reversal of 2992806189 is 9816082992.

It can be written as a sum of positive squares in only one way, i.e., 2278152900 + 714653289 = 47730^2 + 26733^2 .

It is a de Polignac number, because none of the positive numbers 2k-2992806189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992806589) 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, 166267002 + ... + 166267019.

It is an arithmetic number, because the mean of its divisors is an integer number (720490381).

Almost surely, 22992806189 is an apocalyptic number.

It is an amenable number.

2992806189 is a deficient number, since it is larger than the sum of its proper divisors (1330136097).

2992806189 is a wasteful number, since it uses less digits than its factorization.

2992806189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332534027 (or 332534024 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 2992806189 is about 54706.5461256695. The cubic root of 2992806189 is about 1441.0958397551.

The spelling of 2992806189 in words is "two billion, nine hundred ninety-two million, eight hundred six thousand, one hundred eighty-nine".

Divisors: 1 3 9 332534021 997602063 2992806189