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98989098989 = 1110189999901
BaseRepresentation
bin101110000110000110…
…1011100011111101101
3100110111201110020202112
41130030031130133231
53110212202131424
6113250331533405
710103020313144
oct1341415343755
9313451406675
1098989098989
1138a87847220
12172272ba265
139447256871
144b10ab675b
15289560360e
hex170c35c7ed

98989098989 has 16 divisors (see below), whose sum is σ = 109080432000. Its totient is φ = 89080200000.

The previous prime is 98989098979. The next prime is 98989099031.

98989098989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98989098989 - 24 = 98989098973 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98989098989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98989098979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9992939 + ... + 10002839.

It is an arithmetic number, because the mean of its divisors is an integer number (6817527000).

Almost surely, 298989098989 is an apocalyptic number.

It is an amenable number.

98989098989 is a deficient number, since it is larger than the sum of its proper divisors (10091333011).

98989098989 is a wasteful number, since it uses less digits than its factorization.

98989098989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012.

The product of its (nonzero) digits is 2176782336, while the sum is 86.

The spelling of 98989098989 in words is "ninety-eight billion, nine hundred eighty-nine million, ninety-eight thousand, nine hundred eighty-nine".

Divisors: 1 11 101 1111 8999 9901 98989 108911 908899 1000001 9997889 11000011 89099099 980090089 8999008999 98989098989