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1340420404211 = 71901100730473
BaseRepresentation
bin10011100000010111010…
…010000011001111110011
311202010212012110201212222
4103200113102003033303
5133430140110413321
62503440341111255
7165561603305420
oct23402722031763
94663765421788
101340420404211
11477518412129
121979480b852b
139952a2b3695
1448c3b90cd47
1524d027a13ab
hex138174833f3

1340420404211 has 8 divisors (see below), whose sum is σ = 1532714892384. Its totient is φ = 1148327380800.

The previous prime is 1340420404201. The next prime is 1340420404237. The reversal of 1340420404211 is 1124040240431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340420404211 - 214 = 1340420387827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340420404201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50351930 + ... + 50378543.

It is an arithmetic number, because the mean of its divisors is an integer number (191589361548).

Almost surely, 21340420404211 is an apocalyptic number.

1340420404211 is a deficient number, since it is larger than the sum of its proper divisors (192294488173).

1340420404211 is a wasteful number, since it uses less digits than its factorization.

1340420404211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100732381.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1340420404211 its reverse (1124040240431), we get a palindrome (2464460644642).

The spelling of 1340420404211 in words is "one trillion, three hundred forty billion, four hundred twenty million, four hundred four thousand, two hundred eleven".

Divisors: 1 7 1901 13307 100730473 705113311 191488629173 1340420404211