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12130470471 = 37577641451
BaseRepresentation
bin10110100110000100…
…00100101001000111
31011022101121202012010
423103002010221013
5144320400023341
65323410025303
7606414204060
oct132302045107
934271552163
1012130470471
115165375009
122426578233
1311b41b64a2
148310a1567
154aee43716
hex2d3084a47

12130470471 has 8 divisors (see below), whose sum is σ = 18484526464. Its totient is φ = 6931697400.

The previous prime is 12130470421. The next prime is 12130470493. The reversal of 12130470471 is 17407403121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12130470471 - 214 = 12130454087 is a prime.

It is a super-3 number, since 3×121304704713 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130470421) 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, 288820705 + ... + 288820746.

It is an arithmetic number, because the mean of its divisors is an integer number (2310565808).

Almost surely, 212130470471 is an apocalyptic number.

12130470471 is a deficient number, since it is larger than the sum of its proper divisors (6354055993).

12130470471 is an equidigital number, since it uses as much as digits as its factorization.

12130470471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577641461.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 12130470471 its reverse (17407403121), we get a palindrome (29537873592).

The spelling of 12130470471 in words is "twelve billion, one hundred thirty million, four hundred seventy thousand, four hundred seventy-one".

Divisors: 1 3 7 21 577641451 1732924353 4043490157 12130470471