Base | Representation |
---|---|
bin | 101001100000001111… |
… | …1110110111100001010 |
3 | 22112001112210101222011 |
4 | 1103000133312330022 |
5 | 2430014001013030 |
6 | 104540102050134 |
7 | 6303461226100 |
oct | 1230037667412 |
9 | 275045711864 |
10 | 89128922890 |
11 | 34887a53a57 |
12 | 1533511994a |
13 | 8535514537 |
14 | 445734dc70 |
15 | 24b9b64b2a |
hex | 14c07f6f0a |
89128922890 has 96 divisors (see below), whose sum is σ = 191474746560. Its totient is φ = 29773610496.
The previous prime is 89128922887. The next prime is 89128922893. The reversal of 89128922890 is 9822982198.
It is an interprime number because it is at equal distance from previous prime (89128922887) and next prime (89128922893).
It is not an unprimeable number, because it can be changed into a prime (89128922893) 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 47 ways as a sum of consecutive naturals, for example, 3253189 + ... + 3280471.
It is an arithmetic number, because the mean of its divisors is an integer number (1994528610).
Almost surely, 289128922890 is an apocalyptic number.
89128922890 is an abundant number, since it is smaller than the sum of its proper divisors (102345823670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89128922890 is a wasteful number, since it uses less digits than its factorization.
89128922890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27476 (or 27469 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 58.
The spelling of 89128922890 in words is "eighty-nine billion, one hundred twenty-eight million, nine hundred twenty-two thousand, eight hundred ninety".
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