Base | Representation |
---|---|
bin | 11100001101001010… |
… | …110101101100000001 |
3 | 2220011122220210100112 |
4 | 130031022311230001 |
5 | 444011120404400 |
6 | 21525120001105 |
7 | 2121336224522 |
oct | 341512655401 |
9 | 86148823315 |
10 | 30285716225 |
11 | 11931551946 |
12 | 5a52760195 |
13 | 2b1863155b |
14 | 1674380849 |
15 | bc3c65835 |
hex | 70d2b5b01 |
30285716225 has 24 divisors (see below), whose sum is σ = 38090053152. Its totient is φ = 23883292800.
The previous prime is 30285716221. The next prime is 30285716231. The reversal of 30285716225 is 52261758203.
It is not a de Polignac number, because 30285716225 - 22 = 30285716221 is a prime.
It is a super-3 number, since 3×302857162253 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30285716221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4396634 + ... + 4403516.
It is an arithmetic number, because the mean of its divisors is an integer number (1587085548).
Almost surely, 230285716225 is an apocalyptic number.
It is an amenable number.
30285716225 is a deficient number, since it is larger than the sum of its proper divisors (7804336927).
30285716225 is a wasteful number, since it uses less digits than its factorization.
30285716225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9377 (or 9372 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 41.
The spelling of 30285716225 in words is "thirty billion, two hundred eighty-five million, seven hundred sixteen thousand, two hundred twenty-five".
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