Base | Representation |
---|---|
bin | 11100001011010010… |
… | …110001010100000001 |
3 | 2220002110200200111101 |
4 | 130023102301110001 |
5 | 443430041203100 |
6 | 21522033214401 |
7 | 2120504543221 |
oct | 341322612401 |
9 | 86073620441 |
10 | 30254241025 |
11 | 11915804088 |
12 | 5a44101401 |
13 | 2b11c60c88 |
14 | 167010a081 |
15 | bc10e986a |
hex | 70b4b1501 |
30254241025 has 12 divisors (see below), whose sum is σ = 39489746800. Its totient is φ = 22929529680.
The previous prime is 30254241023. The next prime is 30254241037. The reversal of 30254241025 is 52014245203.
It is not a de Polignac number, because 30254241025 - 21 = 30254241023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30254240984 and 30254241002.
It is not an unprimeable number, because it can be changed into a prime (30254241023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31846095 + ... + 31847044.
Almost surely, 230254241025 is an apocalyptic number.
It is an amenable number.
30254241025 is a deficient number, since it is larger than the sum of its proper divisors (9235505775).
30254241025 is a wasteful number, since it uses less digits than its factorization.
30254241025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63693168 (or 63693163 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 30254241025 its reverse (52014245203), we get a palindrome (82268486228).
The spelling of 30254241025 in words is "thirty billion, two hundred fifty-four million, two hundred forty-one thousand, twenty-five".
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