Base | Representation |
---|---|
bin | 1111100010010… |
… | …10000001110110 |
3 | 100002020021112211 |
4 | 13301022001312 |
5 | 231330423041 |
6 | 20533204034 |
7 | 3141521032 |
oct | 761120166 |
9 | 302207484 |
10 | 130326646 |
11 | 6762537a |
12 | 3779061a |
13 | 21001378 |
14 | 134471c2 |
15 | b695481 |
hex | 7c4a076 |
130326646 has 4 divisors (see below), whose sum is σ = 195489972. Its totient is φ = 65163322.
The previous prime is 130326619. The next prime is 130326653. The reversal of 130326646 is 646623031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646623031 = 19001 ⋅34031.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 32581660 + ... + 32581663.
It is an arithmetic number, because the mean of its divisors is an integer number (48872493).
Almost surely, 2130326646 is an apocalyptic number.
130326646 is a deficient number, since it is larger than the sum of its proper divisors (65163326).
130326646 is an equidigital number, since it uses as much as digits as its factorization.
130326646 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65163325.
The product of its (nonzero) digits is 15552, while the sum is 31.
The square root of 130326646 is about 11416.0696388906. The cubic root of 130326646 is about 507.0036348192.
Adding to 130326646 its reverse (646623031), we get a palindrome (776949677).
The spelling of 130326646 in words is "one hundred thirty million, three hundred twenty-six thousand, six hundred forty-six".
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