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30211143424545 = 353164970200913
BaseRepresentation
bin1101101111010000101000…
…11110001101101000100001
310221222011020112022001201010
412313220110132031220201
512424434410204041140
6144130450243331133
76235453204031346
oct667502436155041
9127864215261633
1030211143424545
119698523951026
12347b156980aa9
1313b1b8b2c1a55
147663273d47cd
15375cdb6bd880
hex1b7a1478da21

30211143424545 has 16 divisors (see below), whose sum is σ = 49897114301952. Its totient is φ = 15592848218880.

The previous prime is 30211143424499. The next prime is 30211143424603. The reversal of 30211143424545 is 54542434111203.

It is not a de Polignac number, because 30211143424545 - 28 = 30211143424289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32485099992 + ... + 32485100921.

It is an arithmetic number, because the mean of its divisors is an integer number (3118569643872).

Almost surely, 230211143424545 is an apocalyptic number.

It is an amenable number.

30211143424545 is a deficient number, since it is larger than the sum of its proper divisors (19685970877407).

30211143424545 is a wasteful number, since it uses less digits than its factorization.

30211143424545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64970200952.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 30211143424545 its reverse (54542434111203), we get a palindrome (84753577535748).

The spelling of 30211143424545 in words is "thirty trillion, two hundred eleven billion, one hundred forty-three million, four hundred twenty-four thousand, five hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 64970200913 194910602739 324851004565 974553013695 2014076228303 6042228684909 10070381141515 30211143424545