Base | Representation |
---|---|
bin | 1000010010010001011… |
… | …1010011111000110000 |
3 | 111121102012100222202222 |
4 | 2010210113103320300 |
5 | 4313010031330222 |
6 | 145220354100212 |
7 | 13166263063346 |
oct | 2044427237060 |
9 | 447365328688 |
10 | 142344011312 |
11 | 55405535578 |
12 | 2370687a668 |
13 | 105663a6739 |
14 | 6c64a75996 |
15 | 3a818d8542 |
hex | 21245d3e30 |
142344011312 has 80 divisors (see below), whose sum is σ = 296657976960. Its totient is φ = 65925709824.
The previous prime is 142344011279. The next prime is 142344011323. The reversal of 142344011312 is 213110443241.
It is a super-2 number, since 2×1423440113122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6801248 + ... + 6822144.
It is an arithmetic number, because the mean of its divisors is an integer number (3708224712).
Almost surely, 2142344011312 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 142344011312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148328988480).
142344011312 is an abundant number, since it is smaller than the sum of its proper divisors (154313965648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142344011312 is a wasteful number, since it uses less digits than its factorization.
142344011312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21318 (or 21312 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 142344011312 its reverse (213110443241), we get a palindrome (355454454553).
The spelling of 142344011312 in words is "one hundred forty-two billion, three hundred forty-four million, eleven thousand, three hundred twelve".
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