Base | Representation |
---|---|
bin | 101010111110101… |
… | …0001001000010111 |
3 | 10201111121111122112 |
4 | 1111331101020113 |
5 | 10423140434221 |
6 | 355033421235 |
7 | 50510566025 |
oct | 12575211027 |
9 | 3644544575 |
10 | 1442124311 |
11 | 680050381 |
12 | 342b6a81b |
13 | 19ca0a1c4 |
14 | d9759715 |
15 | 8691615b |
hex | 55f51217 |
1442124311 has 8 divisors (see below), whose sum is σ = 1506091104. Its totient is φ = 1378263040.
The previous prime is 1442124251. The next prime is 1442124319. The reversal of 1442124311 is 1134212441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1442124311 - 222 = 1437930007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442124319) 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, 2231 + ... + 53751.
It is an arithmetic number, because the mean of its divisors is an integer number (188261388).
Almost surely, 21442124311 is an apocalyptic number.
1442124311 is a deficient number, since it is larger than the sum of its proper divisors (63966793).
1442124311 is a wasteful number, since it uses less digits than its factorization.
1442124311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52761.
The product of its digits is 768, while the sum is 23.
The square root of 1442124311 is about 37975.3118617873. The cubic root of 1442124311 is about 1129.7982543741.
Adding to 1442124311 its reverse (1134212441), we get a palindrome (2576336752).
The spelling of 1442124311 in words is "one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred eleven".
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