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2889999999 = 33107037037
BaseRepresentation
bin1010110001000001…
…1110011001111111
321110102001012201000
42230100132121333
521404314444444
61154434421343
7131421410655
oct25420363177
97412035630
102889999999
111253369857
12687a31853
1337097c193
141d5b70dd5
1511dab6469
hexac41e67f

2889999999 has 8 divisors (see below), whose sum is σ = 4281481520. Its totient is φ = 1926666648.

The previous prime is 2889999971. The next prime is 2890000019. The reversal of 2889999999 is 9999999882.

It is not a de Polignac number, because 2889999999 - 229 = 2353129087 is a prime.

It is a Duffinian number.

2889999999 is a modest number, since divided by 99999 gives 28899 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889999919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53518492 + ... + 53518545.

It is an arithmetic number, because the mean of its divisors is an integer number (535185190).

Almost surely, 22889999999 is an apocalyptic number.

2889999999 is a deficient number, since it is larger than the sum of its proper divisors (1391481521).

2889999999 is a wasteful number, since it uses less digits than its factorization.

2889999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107037046 (or 107037040 counting only the distinct ones).

The product of its digits is 612220032, while the sum is 81.

The square root of 2889999999 is about 53758.7202135616. The cubic root of 2889999999 is about 1424.4021292488.

The spelling of 2889999999 in words is "two billion, eight hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 3 9 27 107037037 321111111 963333333 2889999999