Base | Representation |
---|---|
bin | 1100011101011010001… |
… | …11000011000100010000 |
3 | 1111221000110002120102012 |
4 | 12032231013003010100 |
5 | 24003230123140430 |
6 | 524400314442052 |
7 | 42633603352634 |
oct | 6165507030420 |
9 | 1457013076365 |
10 | 428106068240 |
11 | 155616795474 |
12 | 6ab77a33328 |
13 | 314a7515956 |
14 | 16a12c82dc4 |
15 | b209112695 |
hex | 63ad1c3110 |
428106068240 has 40 divisors (see below), whose sum is σ = 995407807680. Its totient is φ = 171231898496.
The previous prime is 428106068227. The next prime is 428106068267. The reversal of 428106068240 is 42860601824.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216787 + ... + 1528653.
It is an arithmetic number, because the mean of its divisors is an integer number (24885195192).
Almost surely, 2428106068240 is an apocalyptic number.
428106068240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
428106068240 is an abundant number, since it is smaller than the sum of its proper divisors (567301739440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428106068240 is a wasteful number, since it uses less digits than its factorization.
428106068240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329039 (or 329033 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 41.
The spelling of 428106068240 in words is "four hundred twenty-eight billion, one hundred six million, sixty-eight thousand, two hundred forty".
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