Base | Representation |
---|---|
bin | 1101110010011100011101… |
… | …00010000000110010011101 |
3 | 10222100121200100002112101020 |
4 | 12321032032202000302131 |
5 | 12433233004222021021 |
6 | 144253024144434353 |
7 | 6246405606465021 |
oct | 671161642006235 |
9 | 128317610075336 |
10 | 30320565423261 |
11 | 972a9747a9223 |
12 | 34983b40189b9 |
13 | 13bc2a8b26159 |
14 | 76b74791a381 |
15 | 378a92b917c6 |
hex | 1b938e880c9d |
30320565423261 has 4 divisors (see below), whose sum is σ = 40427420564352. Its totient is φ = 20213710282172.
The previous prime is 30320565423229. The next prime is 30320565423289. The reversal of 30320565423261 is 16232456502303.
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 30320565423261 - 25 = 30320565423229 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30320565413261) 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, 5053427570541 + ... + 5053427570546.
It is an arithmetic number, because the mean of its divisors is an integer number (10106855141088).
Almost surely, 230320565423261 is an apocalyptic number.
It is an amenable number.
30320565423261 is a deficient number, since it is larger than the sum of its proper divisors (10106855141091).
30320565423261 is a wasteful number, since it uses less digits than its factorization.
30320565423261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10106855141090.
The product of its (nonzero) digits is 777600, while the sum is 42.
The spelling of 30320565423261 in words is "thirty trillion, three hundred twenty billion, five hundred sixty-five million, four hundred twenty-three thousand, two hundred sixty-one".
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