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2041000121 = 19107421059
BaseRepresentation
bin111100110100111…
…0011000010111001
312021020111112211002
41321221303002321
513134444000441
6534305414345
7101402133446
oct17151630271
95236445732
102041000121
11958100666
1248b63a3b5
13266b011a4
141550cc9cd
15be2b0b9b
hex79a730b9

2041000121 has 4 divisors (see below), whose sum is σ = 2148421200. Its totient is φ = 1933579044.

The previous prime is 2041000111. The next prime is 2041000123. The reversal of 2041000121 is 1210001402.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1210001402 = 2605000701.

It is a cyclic number.

It is not a de Polignac number, because 2041000121 - 222 = 2036805817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2041000123) 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, 53710511 + ... + 53710548.

It is an arithmetic number, because the mean of its divisors is an integer number (537105300).

Almost surely, 22041000121 is an apocalyptic number.

It is an amenable number.

2041000121 is a deficient number, since it is larger than the sum of its proper divisors (107421079).

2041000121 is a wasteful number, since it uses less digits than its factorization.

2041000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107421078.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2041000121 is about 45177.4293314704. The cubic root of 2041000121 is about 1268.4723651578.

Adding to 2041000121 its reverse (1210001402), we get a palindrome (3251001523).

The spelling of 2041000121 in words is "two billion, forty-one million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 19 107421059 2041000121