Base | Representation |
---|---|
bin | 1101011011101110110… |
… | …0010000111011010101 |
3 | 211001200121102221220222 |
4 | 3112323230100323111 |
5 | 12240120221202444 |
6 | 254004143404125 |
7 | 22446666262520 |
oct | 3267354207325 |
9 | 731617387828 |
10 | 230782209749 |
11 | 899685a4a73 |
12 | 388885b3645 |
13 | 189bb778780 |
14 | b254383bb7 |
15 | 600aaadeee |
hex | 35bbb10ed5 |
230782209749 has 32 divisors (see below), whose sum is σ = 287093963520. Its totient is φ = 180642580992.
The previous prime is 230782209701. The next prime is 230782209761. The reversal of 230782209749 is 947902287032.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230782209749 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230782209749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230782229749) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3621242 + ... + 3684420.
It is an arithmetic number, because the mean of its divisors is an integer number (8971686360).
Almost surely, 2230782209749 is an apocalyptic number.
It is an amenable number.
230782209749 is a deficient number, since it is larger than the sum of its proper divisors (56311753771).
230782209749 is a wasteful number, since it uses less digits than its factorization.
230782209749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63629.
The product of its (nonzero) digits is 3048192, while the sum is 53.
The spelling of 230782209749 in words is "two hundred thirty billion, seven hundred eighty-two million, two hundred nine thousand, seven hundred forty-nine".
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