Base | Representation |
---|---|
bin | 10110101111100011… |
… | …11001111101000111 |
3 | 1011111221111021201001 |
4 | 23113301321331013 |
5 | 200001242242341 |
6 | 5335333114131 |
7 | 611402203015 |
oct | 132761717507 |
9 | 34457437631 |
10 | 12210118471 |
11 | 51a6325801 |
12 | 2449188947 |
13 | 11c7852595 |
14 | 83b8b58b5 |
15 | 4b6e27d31 |
hex | 2d7c79f47 |
12210118471 has 4 divisors (see below), whose sum is σ = 12928360752. Its totient is φ = 11491876192.
The previous prime is 12210118469. The next prime is 12210118493. The reversal of 12210118471 is 17481101221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12210118471 - 21 = 12210118469 is a prime.
It is a super-3 number, since 3×122101184713 (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 (12210118411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359121115 + ... + 359121148.
It is an arithmetic number, because the mean of its divisors is an integer number (3232090188).
Almost surely, 212210118471 is an apocalyptic number.
12210118471 is a deficient number, since it is larger than the sum of its proper divisors (718242281).
12210118471 is an equidigital number, since it uses as much as digits as its factorization.
12210118471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718242280.
The product of its (nonzero) digits is 896, while the sum is 28.
Adding to 12210118471 its reverse (17481101221), we get a palindrome (29691219692).
The spelling of 12210118471 in words is "twelve billion, two hundred ten million, one hundred eighteen thousand, four hundred seventy-one".
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