Base | Representation |
---|---|
bin | 11100010111000110… |
… | …110100111011110101 |
3 | 2220121021122001212212 |
4 | 130113012310323311 |
5 | 444331310433400 |
6 | 21553433223205 |
7 | 2125432304234 |
oct | 342706647365 |
9 | 86537561785 |
10 | 30452436725 |
11 | 11a07674487 |
12 | 5a9a561b05 |
13 | 2b44035c39 |
14 | 168c57cb1b |
15 | bd36e9335 |
hex | 7171b4ef5 |
30452436725 has 18 divisors (see below), whose sum is σ = 39069153990. Its totient is φ = 23518252800.
The previous prime is 30452436671. The next prime is 30452436761. The reversal of 30452436725 is 52763425403.
It is a happy number.
It can be written as a sum of positive squares in 9 ways, for example, as 46144849 + 30406291876 = 6793^2 + 174374^2 .
It is not a de Polignac number, because 30452436725 - 216 = 30452371189 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4695485 + ... + 4701965.
It is an arithmetic number, because the mean of its divisors is an integer number (2170508555).
Almost surely, 230452436725 is an apocalyptic number.
It is an amenable number.
30452436725 is a deficient number, since it is larger than the sum of its proper divisors (8616717265).
30452436725 is an frugal number, since it uses more digits than its factorization.
30452436725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13001 (or 6515 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 41.
The spelling of 30452436725 in words is "thirty billion, four hundred fifty-two million, four hundred thirty-six thousand, seven hundred twenty-five".
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