Base | Representation |
---|---|
bin | 1111100010010… |
… | …00001110111011 |
3 | 100002012220110102 |
4 | 13301020032323 |
5 | 231330204131 |
6 | 20533110015 |
7 | 3141460424 |
oct | 761101673 |
9 | 302186412 |
10 | 130319291 |
11 | 6761a8a3 |
12 | 3778830b |
13 | 20ccac0b |
14 | 1344464b |
15 | b6931cb |
hex | 7c483bb |
130319291 has 8 divisors (see below), whose sum is σ = 134410560. Its totient is φ = 126258048.
The previous prime is 130319281. The next prime is 130319327. The reversal of 130319291 is 192913031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130319291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130319251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 16211.
It is an arithmetic number, because the mean of its divisors is an integer number (16801320).
Almost surely, 2130319291 is an apocalyptic number.
130319291 is a deficient number, since it is larger than the sum of its proper divisors (4091269).
130319291 is a wasteful number, since it uses less digits than its factorization.
130319291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15013.
The product of its (nonzero) digits is 1458, while the sum is 29.
The square root of 130319291 is about 11415.7475007115. The cubic root of 130319291 is about 506.9940970360.
It can be divided in two parts, 13031 and 9291, that added together give a palindrome (22322).
The spelling of 130319291 in words is "one hundred thirty million, three hundred nineteen thousand, two hundred ninety-one".
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