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442420231031203 = 4382324917501731
BaseRepresentation
bin110010010011000001111110…
…0101101100100100110100011
32011000110221221120212012220011
41210212003330231210212203
5430442103113120444303
64204541014233425351
7162121543521231415
oct14446037455444643
92130427846765804
10442420231031203
11118a72403600047
124175400826b257
1315cb30831c3299
147b373795da9b5
1536235738c616d
hex19260fcb649a3

442420231031203 has 16 divisors (see below), whose sum is σ = 453278239577856. Its totient is φ = 431588137972320.

The previous prime is 442420231031159. The next prime is 442420231031213. The reversal of 442420231031203 is 302130132024244.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-442420231031203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442420231031213) 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, 881536848 + ... + 882038578.

It is an arithmetic number, because the mean of its divisors is an integer number (28329889973616).

Almost surely, 2442420231031203 is an apocalyptic number.

442420231031203 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

442420231031203 is a deficient number, since it is larger than the sum of its proper divisors (10858008546653).

442420231031203 is a wasteful number, since it uses less digits than its factorization.

442420231031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527514.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 442420231031203 its reverse (302130132024244), we get a palindrome (744550363055447).

The spelling of 442420231031203 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred thirty-one million, thirty-one thousand, two hundred three".

Divisors: 1 43 823 24917 35389 501731 1071431 20506691 21574433 412924613 881787713 12501631327 17755758359 537570147061 10288842582121 442420231031203