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9812200001 = 19516431579
BaseRepresentation
bin10010010001101101…
…00100101001000001
3221022211101101221212
421020312210221001
5130043410400001
64301353255505
7465104216042
oct111066445101
927284341855
109812200001
1141858050aa
121a9a104595
13c04b15206
146912388c9
153c66637bb
hex248da4a41

9812200001 has 4 divisors (see below), whose sum is σ = 10328631600. Its totient is φ = 9295768404.

The previous prime is 9812199989. The next prime is 9812200003. The reversal of 9812200001 is 1000022189.

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 9812200001 - 226 = 9745091137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9812200001.

It is not an unprimeable number, because it can be changed into a prime (9812200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258215771 + ... + 258215808.

It is an arithmetic number, because the mean of its divisors is an integer number (2582157900).

Almost surely, 29812200001 is an apocalyptic number.

It is an amenable number.

9812200001 is a deficient number, since it is larger than the sum of its proper divisors (516431599).

9812200001 is a wasteful number, since it uses less digits than its factorization.

9812200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516431598.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 9812200001 is about 99056.5495108728. The cubic root of 9812200001 is about 2140.8626097814.

The spelling of 9812200001 in words is "nine billion, eight hundred twelve million, two hundred thousand, one".

Divisors: 1 19 516431579 9812200001