Base | Representation |
---|---|
bin | 101010111110101… |
… | …0011100010001011 |
3 | 10201111122000011010 |
4 | 1111331103202023 |
5 | 10423141243110 |
6 | 355033535003 |
7 | 50510636520 |
oct | 12575234213 |
9 | 3644560133 |
10 | 1442134155 |
11 | 680057810 |
12 | 342b74463 |
13 | 19ca11827 |
14 | d975d147 |
15 | 86919020 |
hex | 55f5388b |
1442134155 has 64 divisors (see below), whose sum is σ = 3001909248. Its totient is φ = 573260160.
The previous prime is 1442134147. The next prime is 1442134171. The reversal of 1442134155 is 5514312441.
It is not a de Polignac number, because 1442134155 - 23 = 1442134147 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 579 + ... + 53708.
It is an arithmetic number, because the mean of its divisors is an integer number (46904832).
Almost surely, 21442134155 is an apocalyptic number.
1442134155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1442134155 is an abundant number, since it is smaller than the sum of its proper divisors (1559775093).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442134155 is a wasteful number, since it uses less digits than its factorization.
1442134155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54336.
The product of its digits is 9600, while the sum is 30.
The square root of 1442134155 is about 37975.4414720882. The cubic root of 1442134155 is about 1129.8008250514.
Adding to 1442134155 its reverse (5514312441), we get a palindrome (6956446596).
The spelling of 1442134155 in words is "one billion, four hundred forty-two million, one hundred thirty-four thousand, one hundred fifty-five".
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