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2100201197 = 8963234319
BaseRepresentation
bin111110100101110…
…1000011011101101
312102100220021102112
41331023220123231
513300122414242
6544222333405
7103021262363
oct17513503355
95370807375
102100201197
11988566276
124a742a265
1327615b603
1415ccdd633
15c45a6c82
hex7d2e86ed

2100201197 has 4 divisors (see below), whose sum is σ = 2100444480. Its totient is φ = 2099957916.

The previous prime is 2100201193. The next prime is 2100201203. The reversal of 2100201197 is 7911020012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100201197 - 22 = 2100201193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100201193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108197 + ... + 126122.

It is an arithmetic number, because the mean of its divisors is an integer number (525111120).

Almost surely, 22100201197 is an apocalyptic number.

It is an amenable number.

2100201197 is a deficient number, since it is larger than the sum of its proper divisors (243283).

2100201197 is an equidigital number, since it uses as much as digits as its factorization.

2100201197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243282.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 2100201197 is about 45827.9521362236. The cubic root of 2100201197 is about 1280.6200602984.

The spelling of 2100201197 in words is "two billion, one hundred million, two hundred one thousand, one hundred ninety-seven".

Divisors: 1 8963 234319 2100201197