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1330132223 = 7397478637
BaseRepresentation
bin100111101001000…
…0011010011111111
310102200212201101102
41033102003103333
510211003212343
6335553203315
744650636340
oct11722032377
93380781342
101330132223
11622909032
1231156053b
131827581b4
14c89260c7
157bb933b8
hex4f4834ff

1330132223 has 8 divisors (see below), whose sum is σ = 1523983392. Its totient is φ = 1137239136.

The previous prime is 1330132189. The next prime is 1330132249. The reversal of 1330132223 is 3222310331.

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 1330132223 - 218 = 1329870079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330132195 and 1330132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330132253) 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, 236540 + ... + 242097.

It is an arithmetic number, because the mean of its divisors is an integer number (190497924).

Almost surely, 21330132223 is an apocalyptic number.

1330132223 is a deficient number, since it is larger than the sum of its proper divisors (193851169).

1330132223 is an equidigital number, since it uses as much as digits as its factorization.

1330132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479041.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1330132223 is about 36470.9778179856. The cubic root of 1330132223 is about 1099.7608910034.

Adding to 1330132223 its reverse (3222310331), we get a palindrome (4552442554).

The spelling of 1330132223 in words is "one billion, three hundred thirty million, one hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 7 397 2779 478637 3350459 190018889 1330132223