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442421244011012 = 22751749305334571
BaseRepresentation
bin110010010011000010011100…
…1000101110010001000000100
32011000111001120011221220221212
41210212010321011302020010
5430442112201431323022
64204541302541230552
7162121610601352340
oct14446047105621004
92130431504856855
10442421244011012
11118a72883389842
124175424b562458
1315cb31b5026416
147b37433d66620
1536235d27bd3e2
hex1926139172204

442421244011012 has 24 divisors (see below), whose sum is σ = 884859589656000. Its totient is φ = 189605439940320.

The previous prime is 442421244010969. The next prime is 442421244011051. The reversal of 442421244011012 is 210110442124244.

It is a happy number.

It is a super-3 number, since 3×4424212440110123 (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442421244011012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151218314 + ... + 154116257.

It is an arithmetic number, because the mean of its divisors is an integer number (36869149569000).

Almost surely, 2442421244011012 is an apocalyptic number.

It is an amenable number.

442421244011012 is an abundant number, since it is smaller than the sum of its proper divisors (442438345644988).

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

442421244011012 is a wasteful number, since it uses less digits than its factorization.

442421244011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305386331 (or 305386329 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 442421244011012 its reverse (210110442124244), we get a palindrome (652531686135256).

The spelling of 442421244011012 in words is "four hundred forty-two trillion, four hundred twenty-one billion, two hundred forty-four million, eleven thousand, twelve".

Divisors: 1 2 4 7 14 28 51749 103498 206996 362243 724486 1448972 305334571 610669142 1221338284 2137341997 4274683994 8549367988 15800758714679 31601517429358 63203034858716 110605311002753 221210622005506 442421244011012