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530545443211 = 71731164722157
BaseRepresentation
bin1111011100001101111…
…10010000000110001011
31212201102121212000001001
413232012332100012023
532143024113140321
61043421302035431
753221260600550
oct7560676200613
91781377760031
10530545443211
11195004087043
12869a6718b77
133b051519224
141b96dc92a27
15dc0259ec91
hex7b86f9018b

530545443211 has 32 divisors (see below), whose sum is σ = 645093476352. Its totient is φ = 425948213760.

The previous prime is 530545443191. The next prime is 530545443227. The reversal of 530545443211 is 112344545035.

It is not a de Polignac number, because 530545443211 - 27 = 530545443083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530545449211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23933745 + ... + 23955901.

It is an arithmetic number, because the mean of its divisors is an integer number (20159171136).

Almost surely, 2530545443211 is an apocalyptic number.

530545443211 is a deficient number, since it is larger than the sum of its proper divisors (114548033141).

530545443211 is a wasteful number, since it uses less digits than its factorization.

530545443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23139.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 530545443211 its reverse (112344545035), we get a palindrome (642889988246).

The spelling of 530545443211 in words is "five hundred thirty billion, five hundred forty-five million, four hundred forty-three thousand, two hundred eleven".

Divisors: 1 7 17 119 311 647 2177 4529 5287 10999 22157 37009 76993 155099 201217 376669 1408519 2636683 3420689 6890827 14335579 23944823 48235789 100349053 117144059 243704843 820008413 1705933901 4458365069 31208555483 75792206173 530545443211