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42240024444 = 2233520002037
BaseRepresentation
bin100111010101101100…
…111001111101111100
311001000210001120100210
4213111230321331330
51143001421240234
631223234152420
73023514166212
oct472554717574
9131023046323
1042240024444
1116a06435612
12822a122710
133ca2188907
142089ca6cb2
1511734acbe9
hex9d5b39f7c

42240024444 has 12 divisors (see below), whose sum is σ = 98560057064. Its totient is φ = 14080008144.

The previous prime is 42240024427. The next prime is 42240024467. The reversal of 42240024444 is 44442004224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760001007 + ... + 1760001030.

Almost surely, 242240024444 is an apocalyptic number.

It is an amenable number.

42240024444 is an abundant number, since it is smaller than the sum of its proper divisors (56320032620).

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

42240024444 is a wasteful number, since it uses less digits than its factorization.

42240024444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520002044 (or 3520002042 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42240024444 its reverse (44442004224), we get a palindrome (86682028668).

The spelling of 42240024444 in words is "forty-two billion, two hundred forty million, twenty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 3520002037 7040004074 10560006111 14080008148 21120012222 42240024444