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11430605265220 = 225571530263261
BaseRepresentation
bin1010011001010110010100…
…1010101001100101000100
31111110202101112102121110201
42212111211022221211010
52444234334421441340
640151051512500244
72256556024431661
oct246254512514504
944422345377421
1011430605265220
11370776874a029
1213473b26aa684
1364bb9464778b
142b735c2daa68
1514c509dd979a
hexa65652a9944

11430605265220 has 12 divisors (see below), whose sum is σ = 24004271057004. Its totient is φ = 4572242106080.

The previous prime is 11430605265197. The next prime is 11430605265229. The reversal of 11430605265220 is 2256250603411.

It can be written as a sum of positive squares in 2 ways, for example, as 4939452910144 + 6491152355076 = 2222488^2 + 2547774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11430605265220.

It is not an unprimeable number, because it can be changed into a prime (11430605265229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285765131611 + ... + 285765131650.

It is an arithmetic number, because the mean of its divisors is an integer number (2000355921417).

Almost surely, 211430605265220 is an apocalyptic number.

11430605265220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430605265220 is an abundant number, since it is smaller than the sum of its proper divisors (12573665791784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11430605265220 is a wasteful number, since it uses less digits than its factorization.

11430605265220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571530263270 (or 571530263268 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 11430605265220 its reverse (2256250603411), we get a palindrome (13686855868631).

The spelling of 11430605265220 in words is "eleven trillion, four hundred thirty billion, six hundred five million, two hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 571530263261 1143060526522 2286121053044 2857651316305 5715302632610 11430605265220