Base | Representation |
---|---|
bin | 1101111001000010010… |
… | …0100101000010000000 |
3 | 211210222211122112120021 |
4 | 3132100210211002000 |
5 | 12402223032143443 |
6 | 301344514023224 |
7 | 23145636362425 |
oct | 3362044450200 |
9 | 753884575507 |
10 | 238648709248 |
11 | 92234a7a524 |
12 | 3a302b77b14 |
13 | 196734489c1 |
14 | b79d019d4c |
15 | 631b4d89ed |
hex | 3790925080 |
238648709248 has 32 divisors (see below), whose sum is σ = 475597488960. Its totient is φ = 119283065088.
The previous prime is 238648709237. The next prime is 238648709249. The reversal of 238648709248 is 842907846832.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (238648709249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50461 + ... + 692707.
It is an arithmetic number, because the mean of its divisors is an integer number (14862421530).
Almost surely, 2238648709248 is an apocalyptic number.
It is an amenable number.
238648709248 is a deficient number, since it is larger than the sum of its proper divisors (236948779712).
238648709248 is an equidigital number, since it uses as much as digits as its factorization.
238648709248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 645164 (or 645152 counting only the distinct ones).
The product of its (nonzero) digits is 37158912, while the sum is 61.
The spelling of 238648709248 in words is "two hundred thirty-eight billion, six hundred forty-eight million, seven hundred nine thousand, two hundred forty-eight".
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