Base | Representation |
---|---|
bin | 1000001001101001110… |
… | …0100011110010010001 |
3 | 111101102221101201011221 |
4 | 2002122130203302101 |
5 | 4243240203200340 |
6 | 144155015405041 |
7 | 13055035322536 |
oct | 2023234436221 |
9 | 441387351157 |
10 | 140030131345 |
11 | 544283a4285 |
12 | 2317b983781 |
13 | 10287bb19b0 |
14 | 6ac5632d8d |
15 | 39986c444a |
hex | 209a723c91 |
140030131345 has 8 divisors (see below), whose sum is σ = 180962015976. Its totient is φ = 103406866176.
The previous prime is 140030131301. The next prime is 140030131349. The reversal of 140030131345 is 543131030041.
It can be written as a sum of positive squares in 4 ways, for example, as 913067089 + 139117064256 = 30217^2 + 372984^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 140030131345 - 215 = 140030098577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (140030131349) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077154792 + ... + 1077154921.
It is an arithmetic number, because the mean of its divisors is an integer number (22620251997).
Almost surely, 2140030131345 is an apocalyptic number.
It is an amenable number.
140030131345 is a deficient number, since it is larger than the sum of its proper divisors (40931884631).
140030131345 is a wasteful number, since it uses less digits than its factorization.
140030131345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2154309731.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 140030131345 its reverse (543131030041), we get a palindrome (683161161386).
The spelling of 140030131345 in words is "one hundred forty billion, thirty million, one hundred thirty-one thousand, three hundred forty-five".
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