Base | Representation |
---|---|
bin | 101100000110110011… |
… | …000011011110010001 |
3 | 11112020111201120111221 |
4 | 230012303003132101 |
5 | 1233442310441441 |
6 | 33431205005041 |
7 | 3264410125054 |
oct | 540663033621 |
9 | 145214646457 |
10 | 47358687121 |
11 | 190a2820649 |
12 | 92183b3781 |
13 | 46097937b5 |
14 | 2413a16a9b |
15 | 1372a538d1 |
hex | b06cc3791 |
47358687121 has 4 divisors (see below), whose sum is σ = 47370738544. Its totient is φ = 47346635700.
The previous prime is 47358687107. The next prime is 47358687149. The reversal of 47358687121 is 12178685374.
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, and also an emirpimes, since its reverse is a distinct semiprime: 12178685374 = 2 ⋅6089342687.
It is a cyclic number.
It is not a de Polignac number, because 47358687121 - 213 = 47358678929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47358687421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6019815 + ... + 6027676.
It is an arithmetic number, because the mean of its divisors is an integer number (11842684636).
Almost surely, 247358687121 is an apocalyptic number.
It is an amenable number.
47358687121 is a deficient number, since it is larger than the sum of its proper divisors (12051423).
47358687121 is a wasteful number, since it uses less digits than its factorization.
47358687121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12051422.
The product of its digits is 2257920, while the sum is 52.
The spelling of 47358687121 in words is "forty-seven billion, three hundred fifty-eight million, six hundred eighty-seven thousand, one hundred twenty-one".
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