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30236421133 = 61994751581
BaseRepresentation
bin11100001010001110…
…110010110000001101
32220001020011100012101
4130022032302300031
5443411010434013
621520155235101
72120200224202
oct341216626015
986036140171
1030236421133
11119067427a6
125a3a148a91
132b0b361c69
14166b9cbca9
15bbe7798dd
hex70a3b2c0d

30236421133 has 8 divisors (see below), whose sum is σ = 30317836320. Its totient is φ = 30155112240.

The previous prime is 30236421071. The next prime is 30236421151. The reversal of 30236421133 is 33112463203.

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 30236421133 - 221 = 30234323981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30236421433) 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, 560403 + ... + 611983.

It is an arithmetic number, because the mean of its divisors is an integer number (3789729540).

Almost surely, 230236421133 is an apocalyptic number.

It is an amenable number.

30236421133 is a deficient number, since it is larger than the sum of its proper divisors (81415187).

30236421133 is an equidigital number, since it uses as much as digits as its factorization.

30236421133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53147.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 30236421133 its reverse (33112463203), we get a palindrome (63348884336).

The spelling of 30236421133 in words is "thirty billion, two hundred thirty-six million, four hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 619 947 51581 586193 31928639 48847207 30236421133