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2110001001 = 34451158017
BaseRepresentation
bin111110111000100…
…0000111101101001
312110001100011020020
41331301000331221
513310130013001
6545212351053
7103200466263
oct17561007551
95401304206
102110001001
11993049a89
124aa775489
132781b0004
14160330b33
15c5390736
hex7dc40f69

2110001001 has 8 divisors (see below), whose sum is σ = 2813984544. Its totient is φ = 1406342400.

The previous prime is 2110000993. The next prime is 2110001021. The reversal of 2110001001 is 1001000112.

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

It is not a de Polignac number, because 2110001001 - 23 = 2110000993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2110001021) 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 7 ways as a sum of consecutive naturals, for example, 65656 + ... + 92361.

It is an arithmetic number, because the mean of its divisors is an integer number (351748068).

Almost surely, 22110001001 is an apocalyptic number.

It is an amenable number.

2110001001 is a deficient number, since it is larger than the sum of its proper divisors (703983543).

2110001001 is a wasteful number, since it uses less digits than its factorization.

2110001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162471.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2110001001 is about 45934.7472073157. The cubic root of 2110001001 is about 1282.6088152108.

Adding to 2110001001 its reverse (1001000112), we get a palindrome (3111001113).

The spelling of 2110001001 in words is "two billion, one hundred ten million, one thousand, one".

Divisors: 1 3 4451 13353 158017 474051 703333667 2110001001