Base | Representation |
---|---|
bin | 10110101101111111… |
… | …10111011010000101 |
3 | 1011111000210211200202 |
4 | 23112333313122011 |
5 | 144434413011322 |
6 | 5334144020245 |
7 | 611152540130 |
oct | 132677673205 |
9 | 34430724622 |
10 | 12197000837 |
11 | 519998628a |
12 | 2444901685 |
13 | 11c4c0b978 |
14 | 839c5d217 |
15 | 4b5bd6292 |
hex | 2d6ff7685 |
12197000837 has 8 divisors (see below), whose sum is σ = 13950600000. Its totient is φ = 10446194304.
The previous prime is 12197000831. The next prime is 12197000891. The reversal of 12197000837 is 73800079121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12197000837 - 24 = 12197000821 is a prime.
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 12197000837.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12197000831) 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, 688787 + ... + 706272.
It is an arithmetic number, because the mean of its divisors is an integer number (1743825000).
Almost surely, 212197000837 is an apocalyptic number.
It is an amenable number.
12197000837 is a deficient number, since it is larger than the sum of its proper divisors (1753599163).
12197000837 is a wasteful number, since it uses less digits than its factorization.
12197000837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396315.
The product of its (nonzero) digits is 21168, while the sum is 38.
Adding to 12197000837 its reverse (73800079121), we get a palindrome (85997079958).
The spelling of 12197000837 in words is "twelve billion, one hundred ninety-seven million, eight hundred thirty-seven", and thus it is an aban number.
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