Base | Representation |
---|---|
bin | 100110001111010… |
… | …1011000011101001 |
3 | 10022102101200210011 |
4 | 1030132223003221 |
5 | 10111433442342 |
6 | 331153251521 |
7 | 43540150564 |
oct | 11436530351 |
9 | 3272350704 |
10 | 1283109097 |
11 | 5a9310946 |
12 | 2b9863ba1 |
13 | 175aa2a6a |
14 | c25a54db |
15 | 779a5717 |
hex | 4c7ab0e9 |
1283109097 has 2 divisors, whose sum is σ = 1283109098. Its totient is φ = 1283109096.
The previous prime is 1283109077. The next prime is 1283109133. The reversal of 1283109097 is 7909013821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1056185001 + 226924096 = 32499^2 + 15064^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1283109097 is a prime.
It is not a weakly prime, because it can be changed into another prime (1283109077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641554548 + 641554549.
It is an arithmetic number, because the mean of its divisors is an integer number (641554549).
Almost surely, 21283109097 is an apocalyptic number.
It is an amenable number.
1283109097 is a deficient number, since it is larger than the sum of its proper divisors (1).
1283109097 is an equidigital number, since it uses as much as digits as its factorization.
1283109097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 40.
The square root of 1283109097 is about 35820.5122381018. The cubic root of 1283109097 is about 1086.6454387040.
The spelling of 1283109097 in words is "one billion, two hundred eighty-three million, one hundred nine thousand, ninety-seven".
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