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404242412312201 = 1171345211282931
BaseRepresentation
bin101101111101010000000010…
…1011000111001011010001001
31222000022012022202111012022012
41123322200011120321122021
5410441101430022442301
63551430222302105305
7151101356551406441
oct13372400530713211
91860265282435265
10404242412312201
11107893276199351
1239408a79b7b235
1314473b85424978
1471b761977d121
1531b0415bedebb
hex16fa805639689

404242412312201 has 4 divisors (see below), whose sum is σ = 404587623596304. Its totient is φ = 403897201028100.

The previous prime is 404242412312171. The next prime is 404242412312251. The reversal of 404242412312201 is 102213214242404.

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 a de Polignac number, because none of the positive numbers 2k-404242412312201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404242412312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172605640295 + ... + 172605642636.

It is an arithmetic number, because the mean of its divisors is an integer number (101146905899076).

Almost surely, 2404242412312201 is an apocalyptic number.

It is an amenable number.

404242412312201 is a deficient number, since it is larger than the sum of its proper divisors (345211284103).

404242412312201 is a wasteful number, since it uses less digits than its factorization.

404242412312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345211284102.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 404242412312201 its reverse (102213214242404), we get a palindrome (506455626554605).

The spelling of 404242412312201 in words is "four hundred four trillion, two hundred forty-two billion, four hundred twelve million, three hundred twelve thousand, two hundred one".

Divisors: 1 1171 345211282931 404242412312201