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42444212104 = 237757932359
BaseRepresentation
bin100111100001110111…
…110100011110001000
311001120000021101011201
4213201313310132020
51143411204241404
631255410433544
73031543564420
oct474167643610
9131500241151
1042444212104
1117000718848
1282865928b4
13400557b008
1420a9059480
151186392ca4
hex9e1df4788

42444212104 has 16 divisors (see below), whose sum is σ = 90951883200. Its totient is φ = 18190376592.

The previous prime is 42444212093. The next prime is 42444212113. The reversal of 42444212104 is 40121244424.

It is a happy number.

It is a super-2 number, since 2×424442121042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378966124 + ... + 378966235.

It is an arithmetic number, because the mean of its divisors is an integer number (5684492700).

Almost surely, 242444212104 is an apocalyptic number.

It is an amenable number.

42444212104 is an abundant number, since it is smaller than the sum of its proper divisors (48507671096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42444212104 is a wasteful number, since it uses less digits than its factorization.

42444212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757932372 (or 757932368 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 42444212104 its reverse (40121244424), we get a palindrome (82565456528).

The spelling of 42444212104 in words is "forty-two billion, four hundred forty-four million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 757932359 1515864718 3031729436 5305526513 6063458872 10611053026 21222106052 42444212104