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521053104251241 = 3257894789361249
BaseRepresentation
bin111011001111001010010000…
…1001100000010000101101001
32112022220012010201111001100100
41312132110201030002011221
51021243413224142014431
65044104254102500013
7214515562442433462
oct16636244114020551
92468805121431310
10521053104251241
11141029420583741
124a5336ba434609
1319498134b69013
149295167833d69
154038bc11784e6
hex1d9e521302169

521053104251241 has 6 divisors (see below), whose sum is σ = 752632261696250. Its totient is φ = 347368736167488.

The previous prime is 521053104251231. The next prime is 521053104251299. The reversal of 521053104251241 is 142152401350125.

521053104251241 is a `hidden beast` number, since 5 + 2 + 1 + 0 + 53 + 10 + 42 + 512 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 380211156992016 + 140841947259225 = 19499004^2 + 11867685^2 .

It is not a de Polignac number, because 521053104251241 - 26 = 521053104251177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 521053104251196 and 521053104251205.

It is not an unprimeable number, because it can be changed into a prime (521053104251231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28947394680616 + ... + 28947394680633.

Almost surely, 2521053104251241 is an apocalyptic number.

It is an amenable number.

521053104251241 is a deficient number, since it is larger than the sum of its proper divisors (231579157445009).

521053104251241 is a wasteful number, since it uses less digits than its factorization.

521053104251241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57894789361255 (or 57894789361252 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 521053104251241 in words is "five hundred twenty-one trillion, fifty-three billion, one hundred four million, two hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 3 9 57894789361249 173684368083747 521053104251241