Base | Representation |
---|---|
bin | 101001001000111… |
… | …1001100111100110 |
3 | 10120012111210221222 |
4 | 1102101321213212 |
5 | 10311342033131 |
6 | 344551140342 |
7 | 46131261152 |
oct | 12221714746 |
9 | 3505453858 |
10 | 1380424166 |
11 | 649239120 |
12 | 3263746b2 |
13 | 18ccb6444 |
14 | d1498062 |
15 | 812c987b |
hex | 524799e6 |
1380424166 has 32 divisors (see below), whose sum is σ = 2380513536. Its totient is φ = 594220000.
The previous prime is 1380424153. The next prime is 1380424181. The reversal of 1380424166 is 6614240831.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37601 + ... + 64611.
It is an arithmetic number, because the mean of its divisors is an integer number (74391048).
Almost surely, 21380424166 is an apocalyptic number.
1380424166 is a deficient number, since it is larger than the sum of its proper divisors (1000089370).
1380424166 is a wasteful number, since it uses less digits than its factorization.
1380424166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27148.
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 1380424166 is about 37154.0598858321. The cubic root of 1380424166 is about 1113.4503373233.
Adding to 1380424166 its reverse (6614240831), we get a palindrome (7994664997).
The spelling of 1380424166 in words is "one billion, three hundred eighty million, four hundred twenty-four thousand, one hundred sixty-six".
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