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30245223542533 = 281910729061207
BaseRepresentation
bin1101110000010000000111…
…10011100010111100000101
310222002102012122001102202021
412320020003303202330011
512431014204211330113
6144154244110443141
76241100556201046
oct670100363427405
9128072178042667
1030245223542533
119700a2222009a
1234858882034b1
1313b515ca7a53c
14767c3b68a8cd
15376b335e648d
hex1b8203ce2f05

30245223542533 has 4 divisors (see below), whose sum is σ = 30255952606560. Its totient is φ = 30234494478508.

The previous prime is 30245223542531. The next prime is 30245223542549. The reversal of 30245223542533 is 33524532254203.

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 30245223542533 - 21 = 30245223542531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30245223542533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245223542531) 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, 5364527785 + ... + 5364533422.

It is an arithmetic number, because the mean of its divisors is an integer number (7563988151640).

Almost surely, 230245223542533 is an apocalyptic number.

It is an amenable number.

30245223542533 is a deficient number, since it is larger than the sum of its proper divisors (10729064027).

30245223542533 is a wasteful number, since it uses less digits than its factorization.

30245223542533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10729064026.

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 30245223542533 its reverse (33524532254203), we get a palindrome (63769755796736).

The spelling of 30245223542533 in words is "thirty trillion, two hundred forty-five billion, two hundred twenty-three million, five hundred forty-two thousand, five hundred thirty-three".

Divisors: 1 2819 10729061207 30245223542533