Base | Representation |
---|---|
bin | 1000010011000000010… |
… | …0101000011010011101 |
3 | 111121220212222122222200 |
4 | 2010300010220122131 |
5 | 4313410323104440 |
6 | 145252052202113 |
7 | 13204166521356 |
oct | 2046004503235 |
9 | 447825878880 |
10 | 142540441245 |
11 | 554a63aa264 |
12 | 23760609339 |
13 | 10597cb0a77 |
14 | 6c82ba8d2d |
15 | 3a93c89c30 |
hex | 213012869d |
142540441245 has 48 divisors (see below), whose sum is σ = 253709771952. Its totient is φ = 74004295680.
The previous prime is 142540441187. The next prime is 142540441319. The reversal of 142540441245 is 542144045241.
142540441245 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 404 + 4 + 1 + 245 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 28265343129 + 114275098116 = 168123^2 + 338046^2 .
It is not a de Polignac number, because 142540441245 - 27 = 142540441117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1402 + ... + 533931.
It is an arithmetic number, because the mean of its divisors is an integer number (5285620249).
Almost surely, 2142540441245 is an apocalyptic number.
142540441245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142540441245 is a deficient number, since it is larger than the sum of its proper divisors (111169330707).
142540441245 is a wasteful number, since it uses less digits than its factorization.
142540441245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535502 (or 535499 counting only the distinct ones).
The product of its (nonzero) digits is 102400, while the sum is 36.
Adding to 142540441245 its reverse (542144045241), we get a palindrome (684684486486).
The spelling of 142540441245 in words is "one hundred forty-two billion, five hundred forty million, four hundred forty-one thousand, two hundred forty-five".
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