Base | Representation |
---|---|
bin | 11010011010011001… |
… | …011001011001010101 |
3 | 2201012110122000201111 |
4 | 122122121121121111 |
5 | 431040144341121 |
6 | 21010052255021 |
7 | 2022535214551 |
oct | 323231313125 |
9 | 81173560644 |
10 | 28360152661 |
11 | 110336264a5 |
12 | 55b5911471 |
13 | 289c71a129 |
14 | 1530740861 |
15 | b0eba82e1 |
hex | 69a659655 |
28360152661 has 2 divisors, whose sum is σ = 28360152662. Its totient is φ = 28360152660.
The previous prime is 28360152629. The next prime is 28360152673. The reversal of 28360152661 is 16625106382.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20913498225 + 7446654436 = 144615^2 + 86294^2 .
It is a cyclic number.
It is not a de Polignac number, because 28360152661 - 25 = 28360152629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28360158661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14180076330 + 14180076331.
It is an arithmetic number, because the mean of its divisors is an integer number (14180076331).
Almost surely, 228360152661 is an apocalyptic number.
It is an amenable number.
28360152661 is a deficient number, since it is larger than the sum of its proper divisors (1).
28360152661 is an equidigital number, since it uses as much as digits as its factorization.
28360152661 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 28360152661 in words is "twenty-eight billion, three hundred sixty million, one hundred fifty-two thousand, six hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •