Base | Representation |
---|---|
bin | 1000011001001111010… |
… | …0110111011110010111 |
3 | 111210020112010210110221 |
4 | 2012103310313132113 |
5 | 4330322242431411 |
6 | 150130115055211 |
7 | 13263521013505 |
oct | 2062364673627 |
9 | 453215123427 |
10 | 144214030231 |
11 | 56185073457 |
12 | 23b48ba1507 |
13 | 107a3940acb |
14 | 6da1177675 |
15 | 3b40b73071 |
hex | 2193d37797 |
144214030231 has 4 divisors (see below), whose sum is σ = 144472942872. Its totient is φ = 143955117592.
The previous prime is 144214030193. The next prime is 144214030309. The reversal of 144214030231 is 132030412441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132030412441 = 169553 ⋅778697.
It is a cyclic number.
It is not a de Polignac number, because 144214030231 - 233 = 135624095639 is a prime.
It is a super-2 number, since 2×1442140302312 (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 = 144214030196 and 144214030205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144214036231) 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, 129455485 + ... + 129456598.
It is an arithmetic number, because the mean of its divisors is an integer number (36118235718).
Almost surely, 2144214030231 is an apocalyptic number.
144214030231 is a deficient number, since it is larger than the sum of its proper divisors (258912641).
144214030231 is an equidigital number, since it uses as much as digits as its factorization.
144214030231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258912640.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 144214030231 its reverse (132030412441), we get a palindrome (276244442672).
The spelling of 144214030231 in words is "one hundred forty-four billion, two hundred fourteen million, thirty thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •