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12471370313 = 71792223457
BaseRepresentation
bin10111001110101101…
…00000001001001001
31012012011002020212012
423213112200021021
5201020132322223
65421304425305
7621023620133
oct134726401111
935164066765
1012471370313
11531a844116
122500778235
131239a0457c
14864480053
154ced30c78
hex2e75a0249

12471370313 has 8 divisors (see below), whose sum is σ = 12807118080. Its totient is φ = 12140069760.

The previous prime is 12471370237. The next prime is 12471370343. The reversal of 12471370313 is 31307317421.

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

It is a cyclic number.

It is not a de Polignac number, because 12471370313 - 214 = 12471353929 is a prime.

It is a super-3 number, since 3×124713703133 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12471370313.

It is not an unprimeable number, because it can be changed into a prime (12471370343) 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, 1106120 + ... + 1117337.

It is an arithmetic number, because the mean of its divisors is an integer number (1600889760).

Almost surely, 212471370313 is an apocalyptic number.

It is an amenable number.

12471370313 is a deficient number, since it is larger than the sum of its proper divisors (335747767).

12471370313 is an equidigital number, since it uses as much as digits as its factorization.

12471370313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223607.

The product of its (nonzero) digits is 10584, while the sum is 32.

Adding to 12471370313 its reverse (31307317421), we get a palindrome (43778687734).

The spelling of 12471370313 in words is "twelve billion, four hundred seventy-one million, three hundred seventy thousand, three hundred thirteen".

Divisors: 1 71 79 5609 2223457 157865447 175653103 12471370313