Base | Representation |
---|---|
bin | 110110100011011… |
… | …1011010010100101 |
3 | 11201120110200012011 |
4 | 1231012323102211 |
5 | 12222104013021 |
6 | 501350354221 |
7 | 63235160515 |
oct | 15506732245 |
9 | 4646420164 |
10 | 1830532261 |
11 | 85a318a88 |
12 | 43105b971 |
13 | 2323203ac |
14 | 135183845 |
15 | aaa89de1 |
hex | 6d1bb4a5 |
1830532261 has 8 divisors (see below), whose sum is σ = 1839332160. Its totient is φ = 1821754272.
The previous prime is 1830532243. The next prime is 1830532267. The reversal of 1830532261 is 1622350381.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1830532261 - 29 = 1830531749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1830532267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176136 + ... + 186238.
It is an arithmetic number, because the mean of its divisors is an integer number (229916520).
Almost surely, 21830532261 is an apocalyptic number.
It is an amenable number.
1830532261 is a deficient number, since it is larger than the sum of its proper divisors (8799899).
1830532261 is a wasteful number, since it uses less digits than its factorization.
1830532261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10955.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 1830532261 is about 42784.7199476636. The cubic root of 1830532261 is about 1223.2797759016.
The spelling of 1830532261 in words is "one billion, eight hundred thirty million, five hundred thirty-two thousand, two hundred sixty-one".
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