Base | Representation |
---|---|
bin | 1101010011110000… |
… | …00111110111001101 |
3 | 200102221122002021021 |
4 | 12221320013313031 |
5 | 104113111412234 |
6 | 3140554434141 |
7 | 342026513353 |
oct | 65170076715 |
9 | 20387562237 |
10 | 7145029069 |
11 | 3037201102 |
12 | 1474a32951 |
13 | 89b384369 |
14 | 4bad0d7d3 |
15 | 2bc4159b4 |
hex | 1a9e07dcd |
7145029069 has 2 divisors, whose sum is σ = 7145029070. Its totient is φ = 7145029068.
The previous prime is 7145029061. The next prime is 7145029183. The reversal of 7145029069 is 9609205417.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4866876169 + 2278152900 = 69763^2 + 47730^2 .
It is a cyclic number.
It is not a de Polignac number, because 7145029069 - 23 = 7145029061 is a prime.
It is a super-2 number, since 2×71450290692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7145029061) 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, 3572514534 + 3572514535.
It is an arithmetic number, because the mean of its divisors is an integer number (3572514535).
Almost surely, 27145029069 is an apocalyptic number.
It is an amenable number.
7145029069 is a deficient number, since it is larger than the sum of its proper divisors (1).
7145029069 is an equidigital number, since it uses as much as digits as its factorization.
7145029069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 7145029069 is about 84528.2737845746. The cubic root of 7145029069 is about 1926.0519639789.
The spelling of 7145029069 in words is "seven billion, one hundred forty-five million, twenty-nine thousand, sixty-nine".
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