Base | Representation |
---|---|
bin | 110110100100010… |
… | …0101111111101101 |
3 | 11201121021212201201 |
4 | 1231020211333231 |
5 | 12222212004300 |
6 | 501404005501 |
7 | 63241660663 |
oct | 15510457755 |
9 | 4647255651 |
10 | 1830969325 |
11 | 85a597399 |
12 | 431230891 |
13 | 232444303 |
14 | 135258c33 |
15 | aab2466a |
hex | 6d225fed |
1830969325 has 18 divisors (see below), whose sum is σ = 2288213354. Its totient is φ = 1453314720.
The previous prime is 1830969319. The next prime is 1830969353. The reversal of 1830969325 is 5239690381.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 37785609 + 1793183716 = 6147^2 + 42346^2 .
It is not a de Polignac number, because 1830969325 - 217 = 1830838253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2680434 + ... + 2681116.
Almost surely, 21830969325 is an apocalyptic number.
It is an amenable number.
1830969325 is a deficient number, since it is larger than the sum of its proper divisors (457244029).
1830969325 is an frugal number, since it uses more digits than its factorization.
1830969325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1533 (or 845 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 46.
The square root of 1830969325 is about 42789.8273541738. The cubic root of 1830969325 is about 1223.3771262766.
The spelling of 1830969325 in words is "one billion, eight hundred thirty million, nine hundred sixty-nine thousand, three hundred twenty-five".
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