Base | Representation |
---|---|
bin | 1000010010110111101… |
… | …1101001000001100100 |
3 | 111121211101102012001022 |
4 | 2010231323221001210 |
5 | 4313322124430040 |
6 | 145244330350312 |
7 | 13203252343046 |
oct | 2045573510144 |
9 | 447741365038 |
10 | 142504530020 |
11 | 55488101666 |
12 | 2375058b398 |
13 | 10590719318 |
14 | 6c7c0dba96 |
15 | 3a90a446b5 |
hex | 212dee9064 |
142504530020 has 24 divisors (see below), whose sum is σ = 300577846464. Its totient is φ = 56750700896.
The previous prime is 142504529989. The next prime is 142504530043. The reversal of 142504530020 is 20035405241.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15689792 + ... + 15698871.
It is an arithmetic number, because the mean of its divisors is an integer number (12524076936).
Almost surely, 2142504530020 is an apocalyptic number.
142504530020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142504530020 is an abundant number, since it is smaller than the sum of its proper divisors (158073316444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142504530020 is a wasteful number, since it uses less digits than its factorization.
142504530020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31388899 (or 31388897 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 142504530020 its reverse (20035405241), we get a palindrome (162539935261).
The spelling of 142504530020 in words is "one hundred forty-two billion, five hundred four million, five hundred thirty thousand, twenty".
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