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1440000012442 = 21969936550079
BaseRepresentation
bin10100111101000110101…
…100000111000010011010
312002122220002001222001011
4110331012230013002122
5142043110000344232
63021305445444134
7206015354102065
oct24750654070232
95078802058034
101440000012442
11505778514712
121b30b911064a
13a5a39991ca4
144d9a6bbb8dc
15276ceb4a547
hex14f46b0709a

1440000012442 has 8 divisors (see below), whose sum is σ = 2160109728000. Its totient is φ = 719963436444.

The previous prime is 1440000012419. The next prime is 1440000012463. The reversal of 1440000012442 is 2442100000441.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18235642 + ... + 18314437.

It is an arithmetic number, because the mean of its divisors is an integer number (270013716000).

Almost surely, 21440000012442 is an apocalyptic number.

1440000012442 is a deficient number, since it is larger than the sum of its proper divisors (720109715558).

1440000012442 is a wasteful number, since it uses less digits than its factorization.

1440000012442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36569780.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1440000012442 its reverse (2442100000441), we get a palindrome (3882100012883).

The spelling of 1440000012442 in words is "one trillion, four hundred forty billion, twelve thousand, four hundred forty-two".

Divisors: 1 2 19699 39398 36550079 73100158 720000006221 1440000012442