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11545053305 = 52339909917
BaseRepresentation
bin10101100000010001…
…11000100001111001
31002210121001110210212
422300020320201321
5142121013201210
65145334320505
7556045222352
oct126010704171
932717043725
1011545053305
114994977475
1222a24b9135
13111cb253b6
147b7432d29
15478856805
hex2b0238879

11545053305 has 8 divisors (see below), whose sum is σ = 13913524872. Its totient is φ = 9196402048.

The previous prime is 11545053301. The next prime is 11545053307. The reversal of 11545053305 is 50335054511.

It can be written as a sum of positive squares in 4 ways, for example, as 1733556496 + 9811496809 = 41636^2 + 99053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11545053305 - 22 = 11545053301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545053301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953794 + ... + 4956123.

It is an arithmetic number, because the mean of its divisors is an integer number (1739190609).

Almost surely, 211545053305 is an apocalyptic number.

It is an amenable number.

11545053305 is a deficient number, since it is larger than the sum of its proper divisors (2368471567).

11545053305 is an equidigital number, since it uses as much as digits as its factorization.

11545053305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910155.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 11545053305 in words is "eleven billion, five hundred forty-five million, fifty-three thousand, three hundred five".

Divisors: 1 5 233 1165 9909917 49549585 2309010661 11545053305