Base | Representation |
---|---|
bin | 1000010001100001001… |
… | …1000000001010001100 |
3 | 111120220002102011101122 |
4 | 2010120103000022030 |
5 | 4312101214232330 |
6 | 145144322500112 |
7 | 13161254166611 |
oct | 2043023001214 |
9 | 446802364348 |
10 | 142141555340 |
11 | 55311225394 |
12 | 2366ab04638 |
13 | 1053346c5c5 |
14 | 6c45c14508 |
15 | 3a6dc465e5 |
hex | 21184c028c |
142141555340 has 24 divisors (see below), whose sum is σ = 299552038800. Its totient is φ = 56655713088.
The previous prime is 142141555331. The next prime is 142141555343. The reversal of 142141555340 is 43555141241.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 142141555340.
It is not an unprimeable number, because it can be changed into a prime (142141555343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12551015 + ... + 12562334.
It is an arithmetic number, because the mean of its divisors is an integer number (12481334950).
Almost surely, 2142141555340 is an apocalyptic number.
142141555340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142141555340 is an abundant number, since it is smaller than the sum of its proper divisors (157410483460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142141555340 is a wasteful number, since it uses less digits than its factorization.
142141555340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25113641 (or 25113639 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 35.
Adding to 142141555340 its reverse (43555141241), we get a palindrome (185696696581).
The spelling of 142141555340 in words is "one hundred forty-two billion, one hundred forty-one million, five hundred fifty-five thousand, three hundred forty".
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