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52505025852 = 2234375418821
BaseRepresentation
bin110000111001100010…
…110001110100111100
312000112011110200002010
4300321202301310330
51330012241311402
640042004531220
73536060233056
oct607142616474
9160464420063
1052505025852
11202a379a054
12a2139b0b10
134c49a3b946
1427812cc8d6
151574764a6c
hexc398b1d3c

52505025852 has 12 divisors (see below), whose sum is σ = 122511727016. Its totient is φ = 17501675280.

The previous prime is 52505025851. The next prime is 52505025871. The reversal of 52505025852 is 25852050525.

52505025852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 52505025852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505025851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187709399 + ... + 2187709422.

Almost surely, 252505025852 is an apocalyptic number.

It is an amenable number.

52505025852 is an abundant number, since it is smaller than the sum of its proper divisors (70006701164).

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

52505025852 is a wasteful number, since it uses less digits than its factorization.

52505025852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375418828 (or 4375418826 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 52505025852 in words is "fifty-two billion, five hundred five million, twenty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 4375418821 8750837642 13126256463 17501675284 26252512926 52505025852