Base | Representation |
---|---|
bin | 111001100010110… |
… | …1011110011000011 |
3 | 11222120021100122001 |
4 | 1303011223303003 |
5 | 12423300314310 |
6 | 515333124431 |
7 | 65564060320 |
oct | 16305536303 |
9 | 4876240561 |
10 | 1930869955 |
11 | 900a201a3 |
12 | 45a789717 |
13 | 24a051801 |
14 | 144621b47 |
15 | b47a993a |
hex | 7316bcc3 |
1930869955 has 8 divisors (see below), whose sum is σ = 2648050272. Its totient is φ = 1324025088.
The previous prime is 1930869953. The next prime is 1930869961. The reversal of 1930869955 is 5599680391.
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 1930869955 - 21 = 1930869953 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1930869896 and 1930869905.
It is not an unprimeable number, because it can be changed into a prime (1930869953) 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, 27583822 + ... + 27583891.
It is an arithmetic number, because the mean of its divisors is an integer number (331006284).
Almost surely, 21930869955 is an apocalyptic number.
1930869955 is a deficient number, since it is larger than the sum of its proper divisors (717180317).
1930869955 is an equidigital number, since it uses as much as digits as its factorization.
1930869955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55167725.
The product of its (nonzero) digits is 2624400, while the sum is 55.
The square root of 1930869955 is about 43941.6653644352. The cubic root of 1930869955 is about 1245.2341091880.
The spelling of 1930869955 in words is "one billion, nine hundred thirty million, eight hundred sixty-nine thousand, nine hundred fifty-five".
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