Base | Representation |
---|---|
bin | 10101100100101110… |
… | …000110001011111111 |
3 | 2012210101100202000110 |
4 | 111210232012023333 |
5 | 334420122021142 |
6 | 14350334401103 |
7 | 1450020131361 |
oct | 254456061377 |
9 | 65711322013 |
10 | 23164642047 |
11 | 9907922478 |
12 | 45a5960193 |
13 | 22522167b1 |
14 | 119a708d31 |
15 | 9089d299c |
hex | 564b862ff |
23164642047 has 8 divisors (see below), whose sum is σ = 30888414000. Its totient is φ = 15441982400.
The previous prime is 23164642037. The next prime is 23164642049. The reversal of 23164642047 is 74024646132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23164642047 - 27 = 23164641919 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23164641996 and 23164642014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23164642049) 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, 228204 + ... + 313697.
It is an arithmetic number, because the mean of its divisors is an integer number (3861051750).
Almost surely, 223164642047 is an apocalyptic number.
23164642047 is a deficient number, since it is larger than the sum of its proper divisors (7723771953).
23164642047 is a wasteful number, since it uses less digits than its factorization.
23164642047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 556153.
The product of its (nonzero) digits is 193536, while the sum is 39.
The spelling of 23164642047 in words is "twenty-three billion, one hundred sixty-four million, six hundred forty-two thousand, forty-seven".
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