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2989093811 = 1131109137587
BaseRepresentation
bin1011001000101001…
…1111001110110011
321201022111200212012
42302022133032303
522110202000221
61212334353135
7134033610134
oct26212371663
97638450765
102989093811
1112a42a1470
126b505b7ab
13388366382
14204da7c8b
1512763c65b
hexb229f3b3

2989093811 has 32 divisors (see below), whose sum is σ = 3427522560. Its totient is φ = 2582150400.

The previous prime is 2989093801. The next prime is 2989093819. The reversal of 2989093811 is 1183909892.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2989093811 - 218 = 2988831667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2989093811.

It is not an unprimeable number, because it can be changed into a prime (2989093819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5091860 + ... + 5092446.

It is an arithmetic number, because the mean of its divisors is an integer number (107110080).

Almost surely, 22989093811 is an apocalyptic number.

2989093811 is a deficient number, since it is larger than the sum of its proper divisors (438428749).

2989093811 is a wasteful number, since it uses less digits than its factorization.

2989093811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 2989093811 is about 54672.6056723109. The cubic root of 2989093811 is about 1440.4997318726.

The spelling of 2989093811 in words is "two billion, nine hundred eighty-nine million, ninety-three thousand, eight hundred eleven".

Divisors: 1 11 31 109 137 341 587 1199 1507 3379 4247 6457 14933 18197 37169 46717 63983 80419 164263 200167 462923 703813 884609 1983473 2492989 5092153 8765671 21818203 27422879 96422381 271735801 2989093811