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52893649220 = 2252644682461
BaseRepresentation
bin110001010000101101…
…010000100101000100
312001112020201210010012
4301100231100211010
51331311233233340
640144330245352
73551516412566
oct612055204504
9161466653105
1052893649220
11204830a4595
12a301b86858
134cac3c8bb9
1427bab71336
15159892c565
hexc50b50944

52893649220 has 12 divisors (see below), whose sum is σ = 111076663404. Its totient is φ = 21157459680.

The previous prime is 52893649181. The next prime is 52893649223. The reversal of 52893649220 is 2294639825.

It can be written as a sum of positive squares in 2 ways, for example, as 18196391236 + 34697257984 = 134894^2 + 186272^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52893649223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322341211 + ... + 1322341250.

It is an arithmetic number, because the mean of its divisors is an integer number (9256388617).

Almost surely, 252893649220 is an apocalyptic number.

It is an amenable number.

52893649220 is an abundant number, since it is smaller than the sum of its proper divisors (58183014184).

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

52893649220 is a wasteful number, since it uses less digits than its factorization.

52893649220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644682470 (or 2644682468 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 52893649220 in words is "fifty-two billion, eight hundred ninety-three million, six hundred forty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2644682461 5289364922 10578729844 13223412305 26446824610 52893649220