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52505025352 = 2313504856013
BaseRepresentation
bin110000111001100010…
…110001101101001000
312000112011110122101121
4300321202301231020
51330012241302402
640042004525024
73536060231443
oct607142615510
9160464418347
1052505025352
11202a379973a
12a2139b0774
134c49a3b650
1427812cc65a
151574764837
hexc398b1b48

52505025352 has 16 divisors (see below), whose sum is σ = 106019762940. Its totient is φ = 24233088576.

The previous prime is 52505025323. The next prime is 52505025367. The reversal of 52505025352 is 25352050525.

It can be written as a sum of positive squares in 2 ways, for example, as 39024422116 + 13480603236 = 197546^2 + 116106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252427903 + ... + 252428110.

Almost surely, 252505025352 is an apocalyptic number.

52505025352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52505025352 is an abundant number, since it is smaller than the sum of its proper divisors (53514737588).

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

52505025352 is a wasteful number, since it uses less digits than its factorization.

52505025352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504856032 (or 504856028 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

Adding to 52505025352 its reverse (25352050525), we get a palindrome (77857075877).

The spelling of 52505025352 in words is "fifty-two billion, five hundred five million, twenty-five thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 504856013 1009712026 2019424052 4038848104 6563128169 13126256338 26252512676 52505025352