Base | Representation |
---|---|
bin | 1000010010100100110… |
… | …0010111111001100000 |
3 | 111121121211211011212000 |
4 | 2010221030113321200 |
5 | 4313141301431430 |
6 | 145232410404000 |
7 | 13201265532213 |
oct | 2045114277140 |
9 | 447554734760 |
10 | 142425030240 |
11 | 55447242269 |
12 | 23729a30600 |
13 | 1057a10282c |
14 | 6c7172577a |
15 | 3a88a8de60 |
hex | 2129317e60 |
142425030240 has 384 divisors, whose sum is σ = 508939200000. Its totient is φ = 37190596608.
The previous prime is 142425030233. The next prime is 142425030259. The reversal of 142425030240 is 42030524241.
142425030240 is a `hidden beast` number, since 142 + 4 + 250 + 30 + 240 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 51808386 + ... + 51811134.
It is an arithmetic number, because the mean of its divisors is an integer number (1325362500).
Almost surely, 2142425030240 is an apocalyptic number.
142425030240 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 142425030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254469600000).
142425030240 is an abundant number, since it is smaller than the sum of its proper divisors (366514169760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142425030240 is a wasteful number, since it uses less digits than its factorization.
142425030240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3019 (or 3005 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 142425030240 its reverse (42030524241), we get a palindrome (184455554481).
The spelling of 142425030240 in words is "one hundred forty-two billion, four hundred twenty-five million, thirty thousand, two hundred forty".
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