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1330013023 = 12311080433
BaseRepresentation
bin100111101000110…
…0110001101011111
310102200122122212121
41033101212031133
510210440404043
6335550443411
744646631663
oct11721461537
93380578777
101330013023
11622837519
12311503567
13182715b71
14c88d48a3
157bb6cded
hex4f46635f

1330013023 has 4 divisors (see below), whose sum is σ = 1331094688. Its totient is φ = 1328931360.

The previous prime is 1330012979. The next prime is 1330013093. The reversal of 1330013023 is 3203100331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330013023 - 225 = 1296458591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330012988 and 1330013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330013093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538986 + ... + 541447.

It is an arithmetic number, because the mean of its divisors is an integer number (332773672).

Almost surely, 21330013023 is an apocalyptic number.

1330013023 is a deficient number, since it is larger than the sum of its proper divisors (1081665).

1330013023 is a wasteful number, since it uses less digits than its factorization.

1330013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081664.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1330013023 is about 36469.3436052803. The cubic root of 1330013023 is about 1099.7280382759.

Adding to 1330013023 its reverse (3203100331), we get a palindrome (4533113354).

The spelling of 1330013023 in words is "one billion, three hundred thirty million, thirteen thousand, twenty-three".

Divisors: 1 1231 1080433 1330013023