Base | Representation |
---|---|
bin | 1000010011000000101… |
… | …1010111000100011100 |
3 | 111121221000022021200210 |
4 | 2010300023113010130 |
5 | 4313411301031322 |
6 | 145252154052420 |
7 | 13204220516211 |
oct | 2046013270434 |
9 | 447830267623 |
10 | 142542205212 |
11 | 554a73a4590 |
12 | 2376111a110 |
13 | 1059847a934 |
14 | 6c83107b08 |
15 | 3a93ed770c |
hex | 21302d711c |
142542205212 has 96 divisors (see below), whose sum is σ = 374672793600. Its totient is φ = 41786308800.
The previous prime is 142542205153. The next prime is 142542205237. The reversal of 142542205212 is 212502245241.
142542205212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 142542205212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17423739 + ... + 17431917.
It is an arithmetic number, because the mean of its divisors is an integer number (3902841600).
Almost surely, 2142542205212 is an apocalyptic number.
142542205212 is a gapful number since it is divisible by the number (12) 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 142542205212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187336396800).
142542205212 is an abundant number, since it is smaller than the sum of its proper divisors (232130588388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142542205212 is a wasteful number, since it uses less digits than its factorization.
142542205212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12487 (or 12485 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 30.
The spelling of 142542205212 in words is "one hundred forty-two billion, five hundred forty-two million, two hundred five thousand, two hundred twelve".
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