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2201241000421 = 18771172744273
BaseRepresentation
bin100000000010000100001…
…100000001100111100101
321210102210021021220000001
4200002010030001213211
5242031120144003141
64403123002021301
7315014542533061
oct40020414014745
97712707256001
102201241000421
117795a5181a71
122b67471a7831
1312c764a01a08
147877d6d4aa1
153c3d538aa31
hex200843019e5

2201241000421 has 4 divisors (see below), whose sum is σ = 2202413746572. Its totient is φ = 2200068254272.

The previous prime is 2201241000337. The next prime is 2201241000437. The reversal of 2201241000421 is 1240001421022.

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 1560463164225 + 640777836196 = 1249185^2 + 800486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201241000421 - 219 = 2201240476133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201241000221) 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, 586370260 + ... + 586374013.

It is an arithmetic number, because the mean of its divisors is an integer number (550603436643).

Almost surely, 22201241000421 is an apocalyptic number.

It is an amenable number.

2201241000421 is a deficient number, since it is larger than the sum of its proper divisors (1172746151).

2201241000421 is a wasteful number, since it uses less digits than its factorization.

2201241000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172746150.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2201241000421 its reverse (1240001421022), we get a palindrome (3441242421443).

The spelling of 2201241000421 in words is "two trillion, two hundred one billion, two hundred forty-one million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 1877 1172744273 2201241000421