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210120052000 = 255352530013
BaseRepresentation
bin1100001110110000100…
…0011000110100100000
3202002100121221121000011
43003230020120310200
511420311213131000
6240310001534304
721115653654535
oct3035410306440
9662317847004
10210120052000
1181125323041
1234880944394
1316a77b51121
14a254174d8c
1556ebb482ba
hex30ec218d20

210120052000 has 48 divisors (see below), whose sum is σ = 516264977592. Its totient is φ = 84048019200.

The previous prime is 210120051949. The next prime is 210120052019. The reversal of 210120052000 is 250021012.

It can be written as a sum of positive squares in 4 ways, for example, as 31965148944 + 178154903056 = 178788^2 + 422084^2 .

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, 26261007 + ... + 26269006.

Almost surely, 2210120052000 is an apocalyptic number.

210120052000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120052000 is an abundant number, since it is smaller than the sum of its proper divisors (306144925592).

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

210120052000 is an equidigital number, since it uses as much as digits as its factorization.

210120052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530038 (or 52530020 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 210120052000 its reverse (250021012), we get a palindrome (210370073012).

The spelling of 210120052000 in words is "two hundred ten billion, one hundred twenty million, fifty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 52530013 105060026 210120052 262650065 420240104 525300130 840480208 1050600260 1313250325 1680960416 2101200520 2626500650 4202401040 5253001300 6566251625 8404802080 10506002600 13132503250 21012005200 26265006500 42024010400 52530013000 105060026000 210120052000