Base | Representation |
---|---|
bin | 11100001111101100… |
… | …011101001100111001 |
3 | 2220021121122020222212 |
4 | 130033230131030321 |
5 | 444102442131012 |
6 | 21533232024505 |
7 | 2122362311543 |
oct | 341754351471 |
9 | 86247566885 |
10 | 30328083257 |
11 | 1195345991a |
12 | 5a64992135 |
13 | 2b243465c4 |
14 | 1679c4c693 |
15 | bc7833b22 |
hex | 70fb1d339 |
30328083257 has 8 divisors (see below), whose sum is σ = 30469790496. Its totient is φ = 30186447552.
The previous prime is 30328083239. The next prime is 30328083259. The reversal of 30328083257 is 75238082303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30328083257 - 212 = 30328079161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30328083259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954338 + ... + 985604.
It is an arithmetic number, because the mean of its divisors is an integer number (3808723812).
Almost surely, 230328083257 is an apocalyptic number.
It is an amenable number.
30328083257 is a deficient number, since it is larger than the sum of its proper divisors (141707239).
30328083257 is a wasteful number, since it uses less digits than its factorization.
30328083257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35767.
The product of its (nonzero) digits is 241920, while the sum is 41.
The spelling of 30328083257 in words is "thirty billion, three hundred twenty-eight million, eighty-three thousand, two hundred fifty-seven".
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