Base | Representation |
---|---|
bin | 1101001011011011… |
… | …10111001111000101 |
3 | 200021002021221212001 |
4 | 12211231313033011 |
5 | 103442224340121 |
6 | 3130022425301 |
7 | 340221316432 |
oct | 64555671705 |
9 | 20232257761 |
10 | 7075230661 |
11 | 3000868574 |
12 | 1455592231 |
13 | 889a86525 |
14 | 4b1940b89 |
15 | 2b6229991 |
hex | 1a5b773c5 |
7075230661 has 2 divisors, whose sum is σ = 7075230662. Its totient is φ = 7075230660.
The previous prime is 7075230637. The next prime is 7075230667. The reversal of 7075230661 is 1660325707.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7071969025 + 3261636 = 84095^2 + 1806^2 .
It is an emirp because it is prime and its reverse (1660325707) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7075230661 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7075230661.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7075230667) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537615330 + 3537615331.
It is an arithmetic number, because the mean of its divisors is an integer number (3537615331).
Almost surely, 27075230661 is an apocalyptic number.
It is an amenable number.
7075230661 is a deficient number, since it is larger than the sum of its proper divisors (1).
7075230661 is an equidigital number, since it uses as much as digits as its factorization.
7075230661 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52920, while the sum is 37.
The square root of 7075230661 is about 84114.3903324514. The cubic root of 7075230661 is about 1919.7596868102.
The spelling of 7075230661 in words is "seven billion, seventy-five million, two hundred thirty thousand, six hundred sixty-one".
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