Base | Representation |
---|---|
bin | 1000010010000110011… |
… | …0001000010000000000 |
3 | 111121021221222020021002 |
4 | 2010201212020100000 |
5 | 4312411134023120 |
6 | 145212014351132 |
7 | 13165160224043 |
oct | 2044146102000 |
9 | 447257866232 |
10 | 142297564160 |
11 | 553912a10a4 |
12 | 236b31bb4a8 |
13 | 1055989350b |
14 | 6c5c824c5a |
15 | 3a7c7b1375 |
hex | 2121988400 |
142297564160 has 88 divisors (see below), whose sum is σ = 344480377560. Its totient is φ = 56396611584.
The previous prime is 142297564159. The next prime is 142297564193. The reversal of 142297564160 is 61465792241.
It can be written as a sum of positive squares in 4 ways, for example, as 66720956416 + 75576607744 = 258304^2 + 274912^2 .
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, 430592 + ... + 685568.
It is an arithmetic number, because the mean of its divisors is an integer number (3914549745).
Almost surely, 2142297564160 is an apocalyptic number.
142297564160 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 142297564160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172240188780).
142297564160 is an abundant number, since it is smaller than the sum of its proper divisors (202182813400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142297564160 is a wasteful number, since it uses less digits than its factorization.
142297564160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255111 (or 255093 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 142297564160 in words is "one hundred forty-two billion, two hundred ninety-seven million, five hundred sixty-four thousand, one hundred sixty".
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