Base | Representation |
---|---|
bin | 1000001011001001001… |
… | …0011110011110010011 |
3 | 111102110211002022201121 |
4 | 2002302102132132103 |
5 | 4300100104010311 |
6 | 144302425143111 |
7 | 13100663335444 |
oct | 2026222363623 |
9 | 442424068647 |
10 | 140430141331 |
11 | 54613176747 |
12 | 2327192aa97 |
13 | 1031ca279ac |
14 | 6b227db2cb |
15 | 39bd88ab71 |
hex | 20b249e793 |
140430141331 has 4 divisors (see below), whose sum is σ = 140434574472. Its totient is φ = 140425708192.
The previous prime is 140430141323. The next prime is 140430141361. The reversal of 140430141331 is 133141034041.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133141034041 = 389 ⋅342264869.
It is a cyclic number.
It is not a de Polignac number, because 140430141331 - 23 = 140430141323 is a prime.
It is a super-2 number, since 2×1404301413312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 140430141296 and 140430141305.
It is not an unprimeable number, because it can be changed into a prime (140430141361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168710 + ... + 2232523.
It is an arithmetic number, because the mean of its divisors is an integer number (35108643618).
Almost surely, 2140430141331 is an apocalyptic number.
140430141331 is a deficient number, since it is larger than the sum of its proper divisors (4433141).
140430141331 is an equidigital number, since it uses as much as digits as its factorization.
140430141331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4433140.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 140430141331 its reverse (133141034041), we get a palindrome (273571175372).
The spelling of 140430141331 in words is "one hundred forty billion, four hundred thirty million, one hundred forty-one thousand, three hundred thirty-one".
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