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52505745020 = 2254016546851
BaseRepresentation
bin110000111001100101…
…100001011001111100
312000112012211012120222
4300321211201121330
51330012432320040
640042032200512
73536066316551
oct607145413174
9160465735528
1052505745020
11202a4140403
12a214099138
134c49c310a1
142781438a28
151574857bb5
hexc3996167c

52505745020 has 24 divisors (see below), whose sum is σ = 110537049168. Its totient is φ = 20949920000.

The previous prime is 52505745011. The next prime is 52505745121. The reversal of 52505745020 is 2054750525.

52505745020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265406 + ... + 3281445.

It is an arithmetic number, because the mean of its divisors is an integer number (4605710382).

Almost surely, 252505745020 is an apocalyptic number.

It is an amenable number.

52505745020 is an abundant number, since it is smaller than the sum of its proper divisors (58031304148).

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

52505745020 is a wasteful number, since it uses less digits than its factorization.

52505745020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547261 (or 6547259 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The spelling of 52505745020 in words is "fifty-two billion, five hundred five million, seven hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 401 802 1604 2005 4010 8020 6546851 13093702 26187404 32734255 65468510 130937020 2625287251 5250574502 10501149004 13126436255 26252872510 52505745020