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240442512012 = 223221383312349
BaseRepresentation
bin1101111111101101111…
…1011001001010001100
3211222121212000011100200
43133323133121022030
512414411240341022
6302242513253500
723241250426203
oct3377337311214
9758555004320
10240442512012
1192a7559104a
123a723864290
131989ac79061
14b8cd35c23a
1563c3c1abac
hex37fb7d928c

240442512012 has 36 divisors (see below), whose sum is σ = 607815608400. Its totient is φ = 80143499232.

The previous prime is 240442511989. The next prime is 240442512017. The reversal of 240442512012 is 210215244042.

It is a happy number.

240442512012 is a `hidden beast` number, since 2 + 404 + 4 + 2 + 51 + 201 + 2 = 666.

240442512012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (240442512017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613614 + ... + 925962.

It is an arithmetic number, because the mean of its divisors is an integer number (16883766900).

Almost surely, 2240442512012 is an apocalyptic number.

It is an amenable number.

240442512012 is an abundant number, since it is smaller than the sum of its proper divisors (367373096388).

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

240442512012 is a wasteful number, since it uses less digits than its factorization.

240442512012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333742 (or 333737 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 240442512012 its reverse (210215244042), we get a palindrome (450657756054).

The spelling of 240442512012 in words is "two hundred forty billion, four hundred forty-two million, five hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 21383 42766 64149 85532 128298 192447 256596 312349 384894 624698 769788 937047 1249396 1874094 2811141 3748188 5622282 11244564 6678958667 13357917334 20036876001 26715834668 40073752002 60110628003 80147504004 120221256006 240442512012