Base | Representation |
---|---|
bin | 101001011011110010… |
… | …0011101011000100101 |
3 | 22111200002221100020002 |
4 | 1102313210131120211 |
5 | 2424212124241424 |
6 | 104513151351045 |
7 | 6266662105544 |
oct | 1226744353045 |
9 | 274602840202 |
10 | 88979133989 |
11 | 34810446379 |
12 | 152b2b22485 |
13 | 851048a755 |
14 | 44414bc15b |
15 | 24ab927cae |
hex | 14b791d625 |
88979133989 has 2 divisors, whose sum is σ = 88979133990. Its totient is φ = 88979133988.
The previous prime is 88979133973. The next prime is 88979134003. The reversal of 88979133989 is 98933197988.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47538389089 + 41440744900 = 218033^2 + 203570^2 .
It is a cyclic number.
It is not a de Polignac number, because 88979133989 - 24 = 88979133973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (88979133949) 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 as a sum of consecutive naturals, namely, 44489566994 + 44489566995.
It is an arithmetic number, because the mean of its divisors is an integer number (44489566995).
Almost surely, 288979133989 is an apocalyptic number.
It is an amenable number.
88979133989 is a deficient number, since it is larger than the sum of its proper divisors (1).
88979133989 is an equidigital number, since it uses as much as digits as its factorization.
88979133989 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 211631616, while the sum is 74.
The spelling of 88979133989 in words is "eighty-eight billion, nine hundred seventy-nine million, one hundred thirty-three thousand, nine hundred eighty-nine".
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