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1113121433 = 3135907143
BaseRepresentation
bin100001001011000…
…1110001010011001
32212120112102112202
41002112032022121
54234424341213
6302242015545
736404242664
oct10226161231
92776472482
101113121433
11521367676
122709475b5
131497c6248
14a7b966db
1567ac8b58
hex4258e299

1113121433 has 4 divisors (see below), whose sum is σ = 1149028608. Its totient is φ = 1077214260.

The previous prime is 1113121421. The next prime is 1113121459. The reversal of 1113121433 is 3341213111.

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 an emirpimes, since its reverse is a distinct semiprime: 3341213111 = 30491095839.

It is a cyclic number.

It is not a de Polignac number, because 1113121433 - 24 = 1113121417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17953541 + ... + 17953602.

It is an arithmetic number, because the mean of its divisors is an integer number (287257152).

Almost surely, 21113121433 is an apocalyptic number.

It is an amenable number.

1113121433 is a deficient number, since it is larger than the sum of its proper divisors (35907175).

1113121433 is an equidigital number, since it uses as much as digits as its factorization.

1113121433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35907174.

The product of its digits is 216, while the sum is 20.

The square root of 1113121433 is about 33363.4745342867. The cubic root of 1113121433 is about 1036.3684460550.

Adding to 1113121433 its reverse (3341213111), we get a palindrome (4454334544).

The spelling of 1113121433 in words is "one billion, one hundred thirteen million, one hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 31 35907143 1113121433