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200897052800 = 275262780329
BaseRepresentation
bin1011101100011001100…
…1011100000010000000
3201012112212020200121012
42323012121130002000
511242414121142200
6232142453020052
720341262526203
oct2730631340200
9635485220535
10200897052800
1178222170254
1232b28024628
1315c38123252
149a1b2b193a
15535c0bca35
hex2ec665c080

200897052800 has 48 divisors (see below), whose sum is σ = 496278508650. Its totient is φ = 80358819840.

The previous prime is 200897052773. The next prime is 200897052803. The reversal of 200897052800 is 8250798002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 196291530304 + 4605522496 = 443048^2 + 67864^2 .

It is not an unprimeable number, because it can be changed into a prime (200897052803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31386965 + ... + 31393364.

Almost surely, 2200897052800 is an apocalyptic number.

200897052800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200897052800 is an abundant number, since it is smaller than the sum of its proper divisors (295381455850).

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

200897052800 is an equidigital number, since it uses as much as digits as its factorization.

200897052800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62780353 (or 62780336 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 200897052800 in words is "two hundred billion, eight hundred ninety-seven million, fifty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 62780329 125560658 251121316 313901645 502242632 627803290 1004485264 1255606580 1569508225 2008970528 2511213160 3139016450 4017941056 5022426320 6278032900 8035882112 10044852640 12556065800 20089705280 25112131600 40179410560 50224263200 100448526400 200897052800