Base | Representation |
---|---|
bin | 1111100011101… |
… | …00000001101010 |
3 | 100002120000111221 |
4 | 13301310001222 |
5 | 231401424131 |
6 | 20541012254 |
7 | 3143135404 |
oct | 761640152 |
9 | 302500457 |
10 | 130498666 |
11 | 67732641 |
12 | 3785408a |
13 | 2106175c |
14 | 1348db74 |
15 | b6cb411 |
hex | 7c7406a |
130498666 has 16 divisors (see below), whose sum is σ = 204512040. Its totient is φ = 62372800.
The previous prime is 130498661. The next prime is 130498673. The reversal of 130498666 is 666894031.
It can be written as a sum of positive squares in 4 ways, for example, as 129299641 + 1199025 = 11371^2 + 1095^2 .
It is not an unprimeable number, because it can be changed into a prime (130498661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5281 + ... + 16996.
Almost surely, 2130498666 is an apocalyptic number.
130498666 is a deficient number, since it is larger than the sum of its proper divisors (74013374).
130498666 is a wasteful number, since it uses less digits than its factorization.
130498666 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22409.
The product of its (nonzero) digits is 186624, while the sum is 43.
The square root of 130498666 is about 11423.6012710528. The cubic root of 130498666 is about 507.2266038590.
The spelling of 130498666 in words is "one hundred thirty million, four hundred ninety-eight thousand, six hundred sixty-six".
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