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421120442211542 = 217389278911416403
BaseRepresentation
bin101111111000000011011111…
…0010111011001110011010110
32001020001201110200102022222022
41133300012332113121303112
5420144114131201232132
64051352021014133142
7154462643064426203
oct13760067627316326
92036051420368868
10421120442211542
111122001a404a827
123b293b680511b2
13150c96447b52c8
1475dc4a3c86caa
1533a4498431e12
hex17f01be5d9cd6

421120442211542 has 32 divisors (see below), whose sum is σ = 670798216389600. Its totient is φ = 197593989841408.

The previous prime is 421120442211431. The next prime is 421120442211583. The reversal of 421120442211542 is 245112244021124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31179113 + ... + 42595515.

It is an arithmetic number, because the mean of its divisors is an integer number (20962444262175).

Almost surely, 2421120442211542 is an apocalyptic number.

421120442211542 is a deficient number, since it is larger than the sum of its proper divisors (249677774178058).

421120442211542 is a wasteful number, since it uses less digits than its factorization.

421120442211542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419600.

The product of its (nonzero) digits is 40960, while the sum is 35.

Adding to 421120442211542 its reverse (245112244021124), we get a palindrome (666232686232666).

The spelling of 421120442211542 in words is "four hundred twenty-one trillion, one hundred twenty billion, four hundred forty-two million, two hundred eleven thousand, five hundred forty-two".

Divisors: 1 2 17 34 389 778 2789 5578 6613 13226 47413 94826 1084921 2169842 11416403 18443657 22832806 36887314 194078851 388157702 4440980767 8881961534 31840347967 63680695934 75496673039 150993346078 541285915439 1082571830878 12385895359163 24771790718326 210560221105771 421120442211542