Base | Representation |
---|---|
bin | 11100101110110011… |
… | …100111010100001101 |
3 | 2221121222211002101222 |
4 | 130232303213110031 |
5 | 1001140103202024 |
6 | 22101115413125 |
7 | 2141331061421 |
oct | 345663472415 |
9 | 87558732358 |
10 | 30850053389 |
11 | 120a10617a1 |
12 | 5b8b7541a5 |
13 | 2ba852177c |
14 | 16c92c2b81 |
15 | c0858b85e |
hex | 72ece750d |
30850053389 has 2 divisors, whose sum is σ = 30850053390. Its totient is φ = 30850053388.
The previous prime is 30850053379. The next prime is 30850053401. The reversal of 30850053389 is 98335005803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24346921225 + 6503132164 = 156035^2 + 80642^2 .
It is a cyclic number.
It is not a de Polignac number, because 30850053389 - 228 = 30581617933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30850053349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15425026694 + 15425026695.
It is an arithmetic number, because the mean of its divisors is an integer number (15425026695).
Almost surely, 230850053389 is an apocalyptic number.
It is an amenable number.
30850053389 is a deficient number, since it is larger than the sum of its proper divisors (1).
30850053389 is an equidigital number, since it uses as much as digits as its factorization.
30850053389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 388800, while the sum is 44.
The spelling of 30850053389 in words is "thirty billion, eight hundred fifty million, fifty-three thousand, three hundred eighty-nine".
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