Base | Representation |
---|---|
bin | 11110101111101111… |
… | …000110011011101101 |
3 | 10011012202000211001011 |
4 | 132233233012123231 |
5 | 1020102330142424 |
6 | 23055505545221 |
7 | 2246044661206 |
oct | 365757063355 |
9 | 104182024034 |
10 | 33013130989 |
11 | 13001062a33 |
12 | 6494045211 |
13 | 31616c6347 |
14 | 18526ac5ad |
15 | cd3413694 |
hex | 7afbc66ed |
33013130989 has 2 divisors, whose sum is σ = 33013130990. Its totient is φ = 33013130988.
The previous prime is 33013130947. The next prime is 33013131017. The reversal of 33013130989 is 98903131033.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20712102889 + 12301028100 = 143917^2 + 110910^2 .
It is a cyclic number.
It is not a de Polignac number, because 33013130989 - 215 = 33013098221 is a prime.
It is a super-3 number, since 3×330131309893 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (33013130089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506565494 + 16506565495.
It is an arithmetic number, because the mean of its divisors is an integer number (16506565495).
Almost surely, 233013130989 is an apocalyptic number.
It is an amenable number.
33013130989 is a deficient number, since it is larger than the sum of its proper divisors (1).
33013130989 is an equidigital number, since it uses as much as digits as its factorization.
33013130989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52488, while the sum is 40.
The spelling of 33013130989 in words is "thirty-three billion, thirteen million, one hundred thirty thousand, nine hundred eighty-nine".
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