Base | Representation |
---|---|
bin | 101001001000100… |
… | …0110011000110001 |
3 | 10120012010011002221 |
4 | 1102101012120301 |
5 | 10311313324241 |
6 | 344542441041 |
7 | 46126425313 |
oct | 12221063061 |
9 | 3505104087 |
10 | 1380214321 |
11 | 6491054a2 |
12 | 326293181 |
13 | 18cc41a85 |
14 | d14417b3 |
15 | 812875d1 |
hex | 52446631 |
1380214321 has 8 divisors (see below), whose sum is σ = 1453762080. Its totient is φ = 1306757088.
The previous prime is 1380214237. The next prime is 1380214327. The reversal of 1380214321 is 1234120831.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1380214321 - 215 = 1380181553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1380214327) 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, 9885 + ... + 53461.
It is an arithmetic number, because the mean of its divisors is an integer number (181720260).
Almost surely, 21380214321 is an apocalyptic number.
It is an amenable number.
1380214321 is a deficient number, since it is larger than the sum of its proper divisors (73547759).
1380214321 is a wasteful number, since it uses less digits than its factorization.
1380214321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45263.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 1380214321 is about 37151.2357937122. The cubic root of 1380214321 is about 1113.3939141281.
The spelling of 1380214321 in words is "one billion, three hundred eighty million, two hundred fourteen thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •