Base | Representation |
---|---|
bin | 10001000111100101… |
… | …11001111100011001 |
3 | 212201111111211202201 |
4 | 20203302321330121 |
5 | 122310230403224 |
6 | 4115543530201 |
7 | 443514543154 |
oct | 104362717431 |
9 | 25644454681 |
10 | 9190481689 |
11 | 3996872a14 |
12 | 1945a59961 |
13 | b3608405c |
14 | 63283ac9b |
15 | 38bca5a44 |
hex | 223cb9f19 |
9190481689 has 9 divisors (see below), whose sum is σ = 9449233311. Its totient is φ = 8938639080.
The previous prime is 9190481687. The next prime is 9190481693. The reversal of 9190481689 is 9861840919.
The square root of 9190481689 is 95867.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 8223769225 + 966712464 = 90685^2 + 31092^2 .
It is not a de Polignac number, because 9190481689 - 21 = 9190481687 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9190481687) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3545784 + ... + 3548374.
Almost surely, 29190481689 is an apocalyptic number.
9190481689 is the 95867-th square number.
9190481689 is the 47934-th centered octagonal number.
It is an amenable number.
9190481689 is a deficient number, since it is larger than the sum of its proper divisors (258751622).
9190481689 is an frugal number, since it uses more digits than its factorization.
9190481689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5256 (or 2628 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 55.
The cubic root of 9190481689 is about 2094.6562312661.
The spelling of 9190481689 in words is "nine billion, one hundred ninety million, four hundred eighty-one thousand, six hundred eighty-nine".
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