Base | Representation |
---|---|
bin | 1101101001100111011… |
… | …00101010100000100000 |
3 | 1122211121201120202102221 |
4 | 12310303230222200200 |
5 | 30141022302003403 |
6 | 555244140120424 |
7 | 45612502603000 |
oct | 6646354524040 |
9 | 1584551522387 |
10 | 469018781728 |
11 | 170a00969682 |
12 | 76a95536114 |
13 | 352c76c3563 |
14 | 189b475a000 |
15 | c300cd7dbd |
hex | 6d33b2a820 |
469018781728 has 192 divisors, whose sum is σ = 1109596320000. Its totient is φ = 194978015232.
The previous prime is 469018781723. The next prime is 469018781729. The reversal of 469018781728 is 827187810964.
It is a super-2 number, since 2×4690187817282 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (469018781723) 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 31 ways as a sum of consecutive naturals, for example, 51769263 + ... + 51778321.
It is an arithmetic number, because the mean of its divisors is an integer number (5779147500).
Almost surely, 2469018781728 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 469018781728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554798160000).
469018781728 is an abundant number, since it is smaller than the sum of its proper divisors (640577538272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
469018781728 is an equidigital number, since it uses as much as digits as its factorization.
469018781728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9232 (or 9210 counting only the distinct ones).
The product of its (nonzero) digits is 10838016, while the sum is 61.
The spelling of 469018781728 in words is "four hundred sixty-nine billion, eighteen million, seven hundred eighty-one thousand, seven hundred twenty-eight".
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