Base | Representation |
---|---|
bin | 1011100101000000101111… |
… | …0100101011001011111001 |
3 | 1200002000121010202020020120 |
4 | 2321100023310223023321 |
5 | 3132034011221014342 |
6 | 43024145154043453 |
7 | 2452514124450534 |
oct | 271201364531371 |
9 | 50060533666216 |
10 | 12730481423097 |
11 | 4068a6a975859 |
12 | 1517304579589 |
13 | 71462cba1249 |
14 | 320231249a1b |
15 | 171237eeaaec |
hex | b940bd2b2f9 |
12730481423097 has 4 divisors (see below), whose sum is σ = 16973975230800. Its totient is φ = 8486987615396.
The previous prime is 12730481423087. The next prime is 12730481423117. The reversal of 12730481423097 is 79032418403721.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12730481423097 - 24 = 12730481423081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12730481423017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121746903847 + ... + 2121746903852.
It is an arithmetic number, because the mean of its divisors is an integer number (4243493807700).
Almost surely, 212730481423097 is an apocalyptic number.
It is an amenable number.
12730481423097 is a deficient number, since it is larger than the sum of its proper divisors (4243493807703).
12730481423097 is an equidigital number, since it uses as much as digits as its factorization.
12730481423097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4243493807702.
The product of its (nonzero) digits is 2032128, while the sum is 51.
The spelling of 12730481423097 in words is "twelve trillion, seven hundred thirty billion, four hundred eighty-one million, four hundred twenty-three thousand, ninety-seven".
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