Base | Representation |
---|---|
bin | 1000010010111110000… |
… | …0111101100110011001 |
3 | 111121220020101121122102 |
4 | 2010233200331212121 |
5 | 4313400424401331 |
6 | 145251115533145 |
7 | 13204024165616 |
oct | 2045740754631 |
9 | 447806347572 |
10 | 142531090841 |
11 | 554a10a3157 |
12 | 2375945a1b5 |
13 | 10596088a99 |
14 | 6c8185350d |
15 | 3a9303e4cb |
hex | 212f83d999 |
142531090841 has 4 divisors (see below), whose sum is σ = 142532053284. Its totient is φ = 142530128400.
The previous prime is 142531090837. The next prime is 142531090843. The reversal of 142531090841 is 148090135241.
142531090841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148090135241 = 7039 ⋅21038519.
It can be written as a sum of positive squares in 2 ways, for example, as 79973577616 + 62557513225 = 282796^2 + 250115^2 .
It is a cyclic number.
It is not a de Polignac number, because 142531090841 - 22 = 142531090837 is a prime.
It is a super-2 number, since 2×1425310908412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142531090795 and 142531090804.
It is not an unprimeable number, because it can be changed into a prime (142531090843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206990 + ... + 572631.
It is an arithmetic number, because the mean of its divisors is an integer number (35633013321).
Almost surely, 2142531090841 is an apocalyptic number.
It is an amenable number.
142531090841 is a deficient number, since it is larger than the sum of its proper divisors (962443).
142531090841 is an equidigital number, since it uses as much as digits as its factorization.
142531090841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 962442.
The product of its (nonzero) digits is 34560, while the sum is 38.
It can be divided in two parts, 1425310 and 90841, that added together give a palindrome (1516151).
The spelling of 142531090841 in words is "one hundred forty-two billion, five hundred thirty-one million, ninety thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •