Base | Representation |
---|---|
bin | 111011111010010… |
… | …100000001010001 |
3 | 2121001100111202002 |
4 | 323322110001101 |
5 | 4024304021342 |
6 | 243423403345 |
7 | 33623365301 |
oct | 7372240121 |
9 | 2531314662 |
10 | 1005142097 |
11 | 476416153 |
12 | 240753555 |
13 | 13031a84b |
14 | 976c9601 |
15 | 5d399d32 |
hex | 3be94051 |
1005142097 has 2 divisors, whose sum is σ = 1005142098. Its totient is φ = 1005142096.
The previous prime is 1005142091. The next prime is 1005142133. The reversal of 1005142097 is 7902415001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 973377601 + 31764496 = 31199^2 + 5636^2 .
It is a cyclic number.
It is not a de Polignac number, because 1005142097 - 216 = 1005076561 is a prime.
It is not a weakly prime, because it can be changed into another prime (1005142091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502571048 + 502571049.
It is an arithmetic number, because the mean of its divisors is an integer number (502571049).
Almost surely, 21005142097 is an apocalyptic number.
It is an amenable number.
1005142097 is a deficient number, since it is larger than the sum of its proper divisors (1).
1005142097 is an equidigital number, since it uses as much as digits as its factorization.
1005142097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 1005142097 is about 31703.9760440232. The cubic root of 1005142097 is about 1001.7111027906.
Adding to 1005142097 its reverse (7902415001), we get a palindrome (8907557098).
The spelling of 1005142097 in words is "one billion, five million, one hundred forty-two thousand, ninety-seven".
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