Base | Representation |
---|---|
bin | 101001101001110110… |
… | …0010010010101101101 |
3 | 22112212222201222022012 |
4 | 1103103230102111231 |
5 | 2431143420313244 |
6 | 105032044131005 |
7 | 6314451340466 |
oct | 1232354222555 |
9 | 275788658265 |
10 | 89450947949 |
11 | 34a32801170 |
12 | 15404b36a65 |
13 | 85871543cc |
14 | 4488017d6d |
15 | 24d807489e |
hex | 14d3b1256d |
89450947949 has 8 divisors (see below), whose sum is σ = 98073220800. Its totient is φ = 80910403200.
The previous prime is 89450947933. The next prime is 89450947969. The reversal of 89450947949 is 94974905498.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89450947949 - 24 = 89450947933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89450947969) 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 7 ways as a sum of consecutive naturals, for example, 20429732 + ... + 20434109.
It is an arithmetic number, because the mean of its divisors is an integer number (12259152600).
Almost surely, 289450947949 is an apocalyptic number.
It is an amenable number.
89450947949 is a deficient number, since it is larger than the sum of its proper divisors (8622272851).
89450947949 is a wasteful number, since it uses less digits than its factorization.
89450947949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40864051.
The product of its (nonzero) digits is 117573120, while the sum is 68.
The spelling of 89450947949 in words is "eighty-nine billion, four hundred fifty million, nine hundred forty-seven thousand, nine hundred forty-nine".
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