Base | Representation |
---|---|
bin | 100001101101110101000011… |
… | …100001011010100100010000 |
3 | 201110000220012011012201211202 |
4 | 201231311003201122210100 |
5 | 123413444412423234230 |
6 | 1243213044410530332 |
7 | 43143141346400150 |
oct | 4155650341324420 |
9 | 643026164181752 |
10 | 148284878727440 |
11 | 4328029a298904 |
12 | 1476a729a369a8 |
13 | 64982864361b0 |
14 | 288905271a760 |
15 | 122236b343a45 |
hex | 86dd4385a910 |
148284878727440 has 320 divisors, whose sum is σ = 431366450780160. Its totient is φ = 46155332321280.
The previous prime is 148284878727373. The next prime is 148284878727457. The reversal of 148284878727440 is 44727878482841.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147304220 + ... + 148307460.
It is an arithmetic number, because the mean of its divisors is an integer number (1348020158688).
Almost surely, 2148284878727440 is an apocalyptic number.
148284878727440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148284878727440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215683225390080).
148284878727440 is an abundant number, since it is smaller than the sum of its proper divisors (283081572052720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148284878727440 is a wasteful number, since it uses less digits than its factorization.
148284878727440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003610 (or 1003604 counting only the distinct ones).
The product of its (nonzero) digits is 1438646272, while the sum is 74.
The spelling of 148284878727440 in words is "one hundred forty-eight trillion, two hundred eighty-four billion, eight hundred seventy-eight million, seven hundred twenty-seven thousand, four hundred forty".
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