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2112330401 = 10092093489
BaseRepresentation
bin111110111100111…
…1001101010100001
312110012201111120022
41331321321222201
513311224033101
6545334323225
7103226340446
oct17571715241
95405644508
102112330401
119943a0105
124ab4b9515
1327881735c
141607799cd
15c56a0a1b
hex7de79aa1

2112330401 has 4 divisors (see below), whose sum is σ = 2114424900. Its totient is φ = 2110235904.

The previous prime is 2112330383. The next prime is 2112330413. The reversal of 2112330401 is 1040332112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1378191376 + 734139025 = 37124^2 + 27095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112330401 - 226 = 2045221537 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 2112330401.

It is not an unprimeable number, because it can be changed into a prime (2112330431) 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, 1045736 + ... + 1047753.

It is an arithmetic number, because the mean of its divisors is an integer number (528606225).

Almost surely, 22112330401 is an apocalyptic number.

It is an amenable number.

2112330401 is a deficient number, since it is larger than the sum of its proper divisors (2094499).

2112330401 is a wasteful number, since it uses less digits than its factorization.

2112330401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094498.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2112330401 is about 45960.0957462014. The cubic root of 2112330401 is about 1283.0806333425.

Adding to 2112330401 its reverse (1040332112), we get a palindrome (3152662513).

The spelling of 2112330401 in words is "two billion, one hundred twelve million, three hundred thirty thousand, four hundred one".

Divisors: 1 1009 2093489 2112330401