Base | Representation |
---|---|
bin | 11100101001010101… |
… | …101000100011010101 |
3 | 2221101121011221110120 |
4 | 130221111220203111 |
5 | 1000443111324203 |
6 | 22044041142153 |
7 | 2136135206334 |
oct | 345125504325 |
9 | 87347157416 |
10 | 30758308053 |
11 | 12054299100 |
12 | 5b64a8a959 |
13 | 2b9250b2a5 |
14 | 16bb03dd1b |
15 | c004b7b53 |
hex | 7295688d5 |
30758308053 has 12 divisors (see below), whose sum is σ = 45078292224. Its totient is φ = 18641398600.
The previous prime is 30758308039. The next prime is 30758308057. The reversal of 30758308053 is 35080385703.
It is not a de Polignac number, because 30758308053 - 210 = 30758307029 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 30758307996 and 30758308014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30758308057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42366453 + ... + 42367178.
It is an arithmetic number, because the mean of its divisors is an integer number (3756524352).
Almost surely, 230758308053 is an apocalyptic number.
30758308053 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
30758308053 is a deficient number, since it is larger than the sum of its proper divisors (14319984171).
30758308053 is a wasteful number, since it uses less digits than its factorization.
30758308053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84733656 (or 84733645 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 42.
The spelling of 30758308053 in words is "thirty billion, seven hundred fifty-eight million, three hundred eight thousand, fifty-three".
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