[go: up one dir, main page]

Search a number
-
+
1330311321 = 32516728607
BaseRepresentation
bin100111101001010…
…1111000010011001
310102201012211001200
41033102233002121
510211024430241
6340001104413
744652313443
oct11722570231
93381184050
101330311321
11622a20649
12311628109
131827bb881
14c8971493
157bbcb4b6
hex4f4af099

1330311321 has 12 divisors (see below), whose sum is σ = 1921999872. Its totient is φ = 886671576.

The previous prime is 1330311271. The next prime is 1330311343. The reversal of 1330311321 is 1231130331.

It is a happy number.

1330311321 is a `hidden beast` number, since 1 + 3 + 30 + 311 + 321 = 666.

1330311321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1330311321 - 211 = 1330309273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330311294 and 1330311303.

It is not an unprimeable number, because it can be changed into a prime (1330311121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32200 + ... + 60806.

It is an arithmetic number, because the mean of its divisors is an integer number (160166656).

Almost surely, 21330311321 is an apocalyptic number.

It is an amenable number.

1330311321 is a deficient number, since it is larger than the sum of its proper divisors (591688551).

1330311321 is a wasteful number, since it uses less digits than its factorization.

1330311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33780 (or 33777 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1330311321 is about 36473.4330849181. The cubic root of 1330311321 is about 1099.8102485367.

Adding to 1330311321 its reverse (1231130331), we get a palindrome (2561441652).

The spelling of 1330311321 in words is "one billion, three hundred thirty million, three hundred eleven thousand, three hundred twenty-one".

Divisors: 1 3 9 5167 15501 28607 46503 85821 257463 147812369 443437107 1330311321