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9885115889 = 114751189149
BaseRepresentation
bin10010011010011001…
…01110010111110001
3221111220120220202022
421031030232113301
5130221042202024
64312520201225
7466651045565
oct111514562761
927456526668
109885115889
114212987970
121aba609215
13c16c64ccc
1469abb96a5
153ccc6835e
hex24d32e5f1

9885115889 has 8 divisors (see below), whose sum is σ = 10786089600. Its totient is φ = 8984530000.

The previous prime is 9885115879. The next prime is 9885115907.

9885115889 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9885115889 - 24 = 9885115873 is a prime.

It is a super-2 number, since 2×98851158892 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9885115859) 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, 42314 + ... + 146835.

It is an arithmetic number, because the mean of its divisors is an integer number (1348261200).

Almost surely, 29885115889 is an apocalyptic number.

It is an amenable number.

9885115889 is a deficient number, since it is larger than the sum of its proper divisors (900973711).

9885115889 is a wasteful number, since it uses less digits than its factorization.

9885115889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193911.

The product of its digits is 8294400, while the sum is 62.

The square root of 9885115889 is about 99423.9201047716. The cubic root of 9885115889 is about 2146.1525485748.

The spelling of 9885115889 in words is "nine billion, eight hundred eighty-five million, one hundred fifteen thousand, eight hundred eighty-nine".

Divisors: 1 11 4751 52261 189149 2080639 898646899 9885115889