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42014041421 = 1129373559607
BaseRepresentation
bin100111001000001110…
…110110010101001101
311000110000211102221012
4213020032312111031
51142021043311141
631145002415005
73015101313452
oct471016662515
9130400742835
1042014041421
11168aa916190
128186501465
133c67404b51
142067c7d829
15115d71eceb
hex9c83b654d

42014041421 has 16 divisors (see below), whose sum is σ = 48695437440. Its totient is φ = 35880828480.

The previous prime is 42014041393. The next prime is 42014041427. The reversal of 42014041421 is 12414041024.

42014041421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42014041421 - 26 = 42014041357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42014041427) 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, 1768001 + ... + 1791606.

It is an arithmetic number, because the mean of its divisors is an integer number (3043464840).

Almost surely, 242014041421 is an apocalyptic number.

It is an amenable number.

42014041421 is a deficient number, since it is larger than the sum of its proper divisors (6681396019).

42014041421 is a wasteful number, since it uses less digits than its factorization.

42014041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559684.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 42014041421 its reverse (12414041024), we get a palindrome (54428082445).

The spelling of 42014041421 in words is "forty-two billion, fourteen million, forty-one thousand, four hundred twenty-one".

Divisors: 1 11 29 37 319 407 1073 11803 3559607 39155677 103228603 131705459 1135514633 1448760049 3819458311 42014041421