Base | Representation |
---|---|
bin | 1111100010010… |
… | …00101001101101 |
3 | 100002012222210220 |
4 | 13301020221231 |
5 | 231330233010 |
6 | 20533121553 |
7 | 3141465423 |
oct | 761105155 |
9 | 302188726 |
10 | 130321005 |
11 | 67621111 |
12 | 377892b9 |
13 | 20ccb929 |
14 | 13445113 |
15 | b693970 |
hex | 7c48a6d |
130321005 has 8 divisors (see below), whose sum is σ = 208513632. Its totient is φ = 69504528.
The previous prime is 130320961. The next prime is 130321033. The reversal of 130321005 is 500123031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130321005 - 26 = 130320941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 8688067 = 130321005 / (1 + 3 + 0 + 3 + 2 + 1 + 0 + 0 + 5).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4344019 + ... + 4344048.
It is an arithmetic number, because the mean of its divisors is an integer number (26064204).
Almost surely, 2130321005 is an apocalyptic number.
130321005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130321005 is a deficient number, since it is larger than the sum of its proper divisors (78192627).
130321005 is an equidigital number, since it uses as much as digits as its factorization.
130321005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8688075.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 130321005 is about 11415.8225722021. The cubic root of 130321005 is about 506.9963197411.
Adding to 130321005 its reverse (500123031), we get a palindrome (630444036).
The spelling of 130321005 in words is "one hundred thirty million, three hundred twenty-one thousand, five".
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