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1330121033 = 1544386131
BaseRepresentation
bin100111101001000…
…0000100101001001
310102200212011000222
41033102000211021
510211002333113
6335553035425
744650561613
oct11722004511
93380764028
101330121033
1162290068a
12311555b75
13182753087
14c8921db3
157bb8ee08
hex4f480949

1330121033 has 4 divisors (see below), whose sum is σ = 1330222608. Its totient is φ = 1330019460.

The previous prime is 1330120997. The next prime is 1330121059. The reversal of 1330121033 is 3301210331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1330121033 - 28 = 1330120777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330126033) 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, 27623 + ... + 58508.

It is an arithmetic number, because the mean of its divisors is an integer number (332555652).

Almost surely, 21330121033 is an apocalyptic number.

It is an amenable number.

1330121033 is a deficient number, since it is larger than the sum of its proper divisors (101575).

1330121033 is an equidigital number, since it uses as much as digits as its factorization.

1330121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101574.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1330121033 is about 36470.8244080114. The cubic root of 1330121033 is about 1099.7578070095.

Adding to 1330121033 its reverse (3301210331), we get a palindrome (4631331364).

The spelling of 1330121033 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, thirty-three".

Divisors: 1 15443 86131 1330121033