Base | Representation |
---|---|
bin | 1000011000111001101… |
… | …0011111100001100111 |
3 | 111210000012021200101221 |
4 | 2012032122133201213 |
5 | 4330131021332221 |
6 | 150113113001211 |
7 | 13261336146634 |
oct | 2061632374147 |
9 | 453005250357 |
10 | 144123230311 |
11 | 561388960a5 |
12 | 23b226b3207 |
13 | 1078ab9ba48 |
14 | 6d9309d18b |
15 | 3b37bd9541 |
hex | 218e69f867 |
144123230311 has 4 divisors (see below), whose sum is σ = 145007422072. Its totient is φ = 143239038552.
The previous prime is 144123230281. The next prime is 144123230437. The reversal of 144123230311 is 113032321441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 144123230311 - 213 = 144123222119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144123230711) 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, 442095636 + ... + 442095961.
It is an arithmetic number, because the mean of its divisors is an integer number (36251855518).
Almost surely, 2144123230311 is an apocalyptic number.
144123230311 is a deficient number, since it is larger than the sum of its proper divisors (884191761).
144123230311 is an equidigital number, since it uses as much as digits as its factorization.
144123230311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884191760.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 144123230311 its reverse (113032321441), we get a palindrome (257155551752).
The spelling of 144123230311 in words is "one hundred forty-four billion, one hundred twenty-three million, two hundred thirty thousand, three hundred eleven".
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