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2104200001 = 2531831371
BaseRepresentation
bin111110101101011…
…1000101101000001
312102122102102202101
41331122320231001
513302133400001
6544444150401
7103100255611
oct17532705501
95378372671
102104200001
1198a847672
124a8838401
13276c2b777
1415d660a41
15c4ae6a01
hex7d6b8b41

2104200001 has 4 divisors (see below), whose sum is σ = 2105033904. Its totient is φ = 2103366100.

The previous prime is 2104199971. The next prime is 2104200023. The reversal of 2104200001 is 1000024012.

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 2104200001 - 213 = 2104191809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413155 + ... + 418216.

It is an arithmetic number, because the mean of its divisors is an integer number (526258476).

Almost surely, 22104200001 is an apocalyptic number.

It is an amenable number.

2104200001 is a deficient number, since it is larger than the sum of its proper divisors (833903).

2104200001 is an equidigital number, since it uses as much as digits as its factorization.

2104200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833902.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2104200001 is about 45871.5598274138. The cubic root of 2104200001 is about 1281.4323161191.

Adding to 2104200001 its reverse (1000024012), we get a palindrome (3104224013).

The spelling of 2104200001 in words is "two billion, one hundred four million, two hundred thousand, one".

Divisors: 1 2531 831371 2104200001