Base | Representation |
---|---|
bin | 111101100011100… |
… | …0101011111000111 |
3 | 12022221111222200002 |
4 | 1323013011133013 |
5 | 13212224030142 |
6 | 540541511515 |
7 | 102120035555 |
oct | 17307053707 |
9 | 5287458602 |
10 | 2065455047 |
11 | 96a993a47 |
12 | 49787259b |
13 | 26bbb4266 |
14 | 158456bd5 |
15 | c14e1a32 |
hex | 7b1c57c7 |
2065455047 has 4 divisors (see below), whose sum is σ = 2086748496. Its totient is φ = 2044161600.
The previous prime is 2065455037. The next prime is 2065455101. The reversal of 2065455047 is 7405545602.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2065455047 - 24 = 2065455031 is a prime.
It is a super-2 number, since 2×20654550472 = 8532209102355544418, which contains 22 as substring.
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 2065455047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2065455037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646579 + ... + 10646772.
It is an arithmetic number, because the mean of its divisors is an integer number (521687124).
Almost surely, 22065455047 is an apocalyptic number.
2065455047 is a deficient number, since it is larger than the sum of its proper divisors (21293449).
2065455047 is an equidigital number, since it uses as much as digits as its factorization.
2065455047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21293448.
The product of its (nonzero) digits is 168000, while the sum is 38.
The square root of 2065455047 is about 45447.2776632440. The cubic root of 2065455047 is about 1273.5184733417.
The spelling of 2065455047 in words is "two billion, sixty-five million, four hundred fifty-five thousand, forty-seven".
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