Base | Representation |
---|---|
bin | 1000010001110000011… |
… | …0101000001100100000 |
3 | 111121001112120211200021 |
4 | 2010130012220030200 |
5 | 4312214041422240 |
6 | 145154523403224 |
7 | 13162661062105 |
oct | 2043406501440 |
9 | 447045524607 |
10 | 142205420320 |
11 | 55344286067 |
12 | 23688383514 |
13 | 10543770832 |
14 | 6c504baaac |
15 | 3a7465e54a |
hex | 211c1a8320 |
142205420320 has 48 divisors (see below), whose sum is σ = 340974664128. Its totient is φ = 56033176320.
The previous prime is 142205420309. The next prime is 142205420341. The reversal of 142205420320 is 23024502241.
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, 6621996 + ... + 6643435.
It is an arithmetic number, because the mean of its divisors is an integer number (7103638836).
Almost surely, 2142205420320 is an apocalyptic number.
142205420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142205420320 is an abundant number, since it is smaller than the sum of its proper divisors (198769243808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142205420320 is a wasteful number, since it uses less digits than its factorization.
142205420320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13265513 (or 13265505 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 142205420320 its reverse (23024502241), we get a palindrome (165229922561).
The spelling of 142205420320 in words is "one hundred forty-two billion, two hundred five million, four hundred twenty thousand, three hundred twenty".
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