Base | Representation |
---|---|
bin | 101001101000001101… |
… | …0010100001011000101 |
3 | 22112202011011111212122 |
4 | 1103100122110023011 |
5 | 2431040322431341 |
6 | 105022400255325 |
7 | 6313212441200 |
oct | 1232032241305 |
9 | 275664144778 |
10 | 89395905221 |
11 | 34a04726807 |
12 | 153aa611545 |
13 | 857892194c |
14 | 44809aa937 |
15 | 24d330094b |
hex | 14d06942c5 |
89395905221 has 12 divisors (see below), whose sum is σ = 103996350432. Its totient is φ = 76621233528.
The previous prime is 89395905211. The next prime is 89395905241. The reversal of 89395905221 is 12250959398.
It is not a de Polignac number, because 89395905221 - 210 = 89395904197 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 (89395905211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1423736 + ... + 1485198.
It is an arithmetic number, because the mean of its divisors is an integer number (8666362536).
Almost surely, 289395905221 is an apocalyptic number.
It is an amenable number.
89395905221 is a deficient number, since it is larger than the sum of its proper divisors (14600445211).
89395905221 is a wasteful number, since it uses less digits than its factorization.
89395905221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91160 (or 91153 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 53.
The spelling of 89395905221 in words is "eighty-nine billion, three hundred ninety-five million, nine hundred five thousand, two hundred twenty-one".
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