Base | Representation |
---|---|
bin | 1000001111010… |
… | …11010001000101 |
3 | 11211001201022111 |
4 | 10013223101011 |
5 | 120143333333 |
6 | 10505301021 |
7 | 1466343136 |
oct | 407532105 |
9 | 154051274 |
10 | 69121093 |
11 | 36020778 |
12 | 1b194771 |
13 | 11421772 |
14 | 9273c8d |
15 | 61054cd |
hex | 41eb445 |
69121093 has 2 divisors, whose sum is σ = 69121094. Its totient is φ = 69121092.
The previous prime is 69121051. The next prime is 69121097. The reversal of 69121093 is 39012196.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 64272289 + 4848804 = 8017^2 + 2202^2 .
It is a cyclic number.
It is not a de Polignac number, because 69121093 - 217 = 68990021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (69121097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34560546 + 34560547.
It is an arithmetic number, because the mean of its divisors is an integer number (34560547).
Almost surely, 269121093 is an apocalyptic number.
It is an amenable number.
69121093 is a deficient number, since it is larger than the sum of its proper divisors (1).
69121093 is an equidigital number, since it uses as much as digits as its factorization.
69121093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2916, while the sum is 31.
The square root of 69121093 is about 8313.9096098045. The cubic root of 69121093 is about 410.3963903897.
The spelling of 69121093 in words is "sixty-nine million, one hundred twenty-one thousand, ninety-three".
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