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30540233340213 = 310180077780071
BaseRepresentation
bin1101111000110101100111…
…10000100111010100110101
311000010121200101000220211020
412330122303300213110311
513000332344213341323
6144541553422331353
76301313311123542
oct674326360472465
9130117611026736
1030540233340213
1198050495a1543
123512a9a429b59
131406c15a9acbc
14778225b5bbc9
1537e64cb36ae3
hex1bc6b3c27535

30540233340213 has 4 divisors (see below), whose sum is σ = 40720311120288. Its totient is φ = 20360155560140.

The previous prime is 30540233340191. The next prime is 30540233340233. The reversal of 30540233340213 is 31204333204503.

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.

It is a cyclic number.

It is not a de Polignac number, because 30540233340213 - 217 = 30540233209141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540233340233) 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, 5090038890033 + ... + 5090038890038.

It is an arithmetic number, because the mean of its divisors is an integer number (10180077780072).

Almost surely, 230540233340213 is an apocalyptic number.

It is an amenable number.

30540233340213 is a deficient number, since it is larger than the sum of its proper divisors (10180077780075).

30540233340213 is a wasteful number, since it uses less digits than its factorization.

30540233340213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180077780074.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 30540233340213 its reverse (31204333204503), we get a palindrome (61744566544716).

The spelling of 30540233340213 in words is "thirty trillion, five hundred forty billion, two hundred thirty-three million, three hundred forty thousand, two hundred thirteen".

Divisors: 1 3 10180077780071 30540233340213