Base | Representation |
---|---|
bin | 1011000110100011000011… |
… | …1110110011001111101111 |
3 | 1121012222201002200112112222 |
4 | 2301220300332303033233 |
5 | 3100000134404340211 |
6 | 41543512321145555 |
7 | 2366635532662466 |
oct | 261506076631757 |
9 | 47188632615488 |
10 | 12207118824431 |
11 | 3987012379183 |
12 | 14519a348b2bb |
13 | 6a71848197bb |
14 | 302b8330b9dd |
15 | 1628063311db |
hex | b1a30fb33ef |
12207118824431 has 2 divisors, whose sum is σ = 12207118824432. Its totient is φ = 12207118824430.
The previous prime is 12207118824409. The next prime is 12207118824437. The reversal of 12207118824431 is 13442881170221.
It is a strong prime.
It is an emirp because it is prime and its reverse (13442881170221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12207118824431 - 214 = 12207118808047 is a prime.
It is a super-2 number, since 2×122071188244312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12207118824437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103559412215 + 6103559412216.
It is an arithmetic number, because the mean of its divisors is an integer number (6103559412216).
Almost surely, 212207118824431 is an apocalyptic number.
12207118824431 is a deficient number, since it is larger than the sum of its proper divisors (1).
12207118824431 is an equidigital number, since it uses as much as digits as its factorization.
12207118824431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 172032, while the sum is 44.
Adding to 12207118824431 its reverse (13442881170221), we get a palindrome (25649999994652).
The spelling of 12207118824431 in words is "twelve trillion, two hundred seven billion, one hundred eighteen million, eight hundred twenty-four thousand, four hundred thirty-one".
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