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BaseRepresentation
bin101101100111011011110011…
…0111011110111011110011101
31221121200112221020110220200002
41123032313212323313132131
5410042440220114304041
63541212542212544045
7150341631502160210
oct13316674673673635
91847615836426602
10401244014213021
111069376a3682451
1239003940622025
13142b71c0744a95
147112457513777
15315c426e3259b
hex16cede6ef779d

401244014213021 has 16 divisors (see below), whose sum is σ = 458847939411840. Its totient is φ = 343710932947200.

The previous prime is 401244014212991. The next prime is 401244014213033. The reversal of 401244014213021 is 120312410442104.

It is a de Polignac number, because none of the positive numbers 2k-401244014213021 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 (401244014213221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967160810 + ... + 967575588.

It is an arithmetic number, because the mean of its divisors is an integer number (28677996213240).

Almost surely, 2401244014213021 is an apocalyptic number.

It is an amenable number.

401244014213021 is a deficient number, since it is larger than the sum of its proper divisors (57603925198819).

401244014213021 is a wasteful number, since it uses less digits than its factorization.

401244014213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499844.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 401244014213021 its reverse (120312410442104), we get a palindrome (521556424655125).

The spelling of 401244014213021 in words is "four hundred one trillion, two hundred forty-four billion, fourteen million, two hundred thirteen thousand, twenty-one".