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11133230421 = 34778959081
BaseRepresentation
bin10100101111001011…
…11001110101010101
31001201220010201000110
422113211321311111
5140300101333141
65040423433233
7542614616505
oct122745716525
931656121013
1011133230421
1147a3466885
1221a85b5819
131085704611
14778871a05
15452609e16
hex297979d55

11133230421 has 8 divisors (see below), whose sum is σ = 15160143744. Its totient is φ = 7264235360.

The previous prime is 11133230411. The next prime is 11133230429. The reversal of 11133230421 is 12403233111.

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 11133230421 - 25 = 11133230389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133230429) 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, 39479400 + ... + 39479681.

It is an arithmetic number, because the mean of its divisors is an integer number (1895017968).

Almost surely, 211133230421 is an apocalyptic number.

It is an amenable number.

11133230421 is a deficient number, since it is larger than the sum of its proper divisors (4026913323).

11133230421 is an equidigital number, since it uses as much as digits as its factorization.

11133230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78959131.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11133230421 its reverse (12403233111), we get a palindrome (23536463532).

The spelling of 11133230421 in words is "eleven billion, one hundred thirty-three million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 47 141 78959081 236877243 3711076807 11133230421