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9118902189312 = 283217907256687
BaseRepresentation
bin1000010010110010100011…
…1011001111110100000000
31012021202110222020212200200
42010230220323033310000
52143401002430024222
631221055453045200
71630550616463356
oct204545073176400
935252428225620
109118902189312
1129a6339613893
121033379a86800
13511ba77b1a26
142375002dd7d6
1510c30c0ceeac
hex84b28ecfd00

9118902189312 has 216 divisors, whose sum is σ = 27869435508096. Its totient is φ = 2857666756608.

The previous prime is 9118902189311. The next prime is 9118902189377. The reversal of 9118902189312 is 2139812098119.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9118902189311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35397033 + ... + 35653719.

Almost surely, 29118902189312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9118902189312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13934717754048).

9118902189312 is an abundant number, since it is smaller than the sum of its proper divisors (18750533318784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9118902189312 is a wasteful number, since it uses less digits than its factorization.

9118902189312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257633 (or 257616 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 54.

The spelling of 9118902189312 in words is "nine trillion, one hundred eighteen billion, nine hundred two million, one hundred eighty-nine thousand, three hundred twelve".