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200105250534121 = 643787395432881
BaseRepresentation
bin101101011111111010100010…
…011000000011001011101001
3222020111212121222002011120211
4231133322202120003023221
5202212011023114042441
61545331025533421121
760102061436145622
oct5537724230031351
9866455558064524
10200105250534121
115883a184214449
121a5398a363a7a1
138786ac87c8a3a
14375b208120a49
1518202e421ca81
hexb5fea26032e9

200105250534121 has 8 divisors (see below), whose sum is σ = 200671115494304. Its totient is φ = 199540176442560.

The previous prime is 200105250534109. The next prime is 200105250534191. The reversal of 200105250534121 is 121435052501002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200105250534121 - 25 = 200105250534089 is a prime.

It is a super-2 number, since 2×2001052505341212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200105250534191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197210400 + ... + 198222481.

It is an arithmetic number, because the mean of its divisors is an integer number (25083889436788).

Almost surely, 2200105250534121 is an apocalyptic number.

It is an amenable number.

200105250534121 is a deficient number, since it is larger than the sum of its proper divisors (565864960183).

200105250534121 is an equidigital number, since it uses as much as digits as its factorization.

200105250534121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395434311.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 200105250534121 in words is "two hundred trillion, one hundred five billion, two hundred fifty million, five hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 643 787 506041 395432881 254263342483 311205677347 200105250534121