Base | Representation |
---|---|
bin | 100000100001111111… |
… | …1101000011000110101 |
3 | 20200022200100102110012 |
4 | 1001003333220120311 |
5 | 2121033204340314 |
6 | 52032055110005 |
7 | 5022126110003 |
oct | 1010377503065 |
9 | 220280312405 |
10 | 69860230709 |
11 | 2769a308365 |
12 | 11658072305 |
13 | 67844bb329 |
14 | 354a231a73 |
15 | 1c3d20293e |
hex | 1043fe8635 |
69860230709 has 4 divisors (see below), whose sum is σ = 69880041504. Its totient is φ = 69840419916.
The previous prime is 69860230703. The next prime is 69860230777. The reversal of 69860230709 is 90703206896.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 69860230709 - 212 = 69860226613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69860230703) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9900107 + ... + 9907160.
It is an arithmetic number, because the mean of its divisors is an integer number (17470010376).
Almost surely, 269860230709 is an apocalyptic number.
It is an amenable number.
69860230709 is a deficient number, since it is larger than the sum of its proper divisors (19810795).
69860230709 is a wasteful number, since it uses less digits than its factorization.
69860230709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19810794.
The product of its (nonzero) digits is 979776, while the sum is 50.
The spelling of 69860230709 in words is "sixty-nine billion, eight hundred sixty million, two hundred thirty thousand, seven hundred nine".
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