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1442042312542 = 213192919113993
BaseRepresentation
bin10100111111000000011…
…010110111011101011110
312002212011102000120002121
4110333000122313131132
5142111300313000132
63022244243213154
7206120103261556
oct24770032673536
95085142016077
101442042312542
11506626322a37
121b35890771ba
13a5ca3b29aa0
144db1c128166
152779e0b6497
hex14fc06b775e

1442042312542 has 16 divisors (see below), whose sum is σ = 2452055754960. Its totient is φ = 630528622272.

The previous prime is 1442042312537. The next prime is 1442042312563. The reversal of 1442042312542 is 2452132402441.

It is a super-2 number, since 2×14420423125422 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442042312498 and 1442042312507.

It is a congruent number.

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, 1459556503 + ... + 1459557490.

It is an arithmetic number, because the mean of its divisors is an integer number (153253484685).

Almost surely, 21442042312542 is an apocalyptic number.

1442042312542 is a deficient number, since it is larger than the sum of its proper divisors (1010013442418).

1442042312542 is a wasteful number, since it uses less digits than its factorization.

1442042312542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919114027.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 1442042312542 its reverse (2452132402441), we get a palindrome (3894174714983).

The spelling of 1442042312542 in words is "one trillion, four hundred forty-two billion, forty-two million, three hundred twelve thousand, five hundred forty-two".

Divisors: 1 2 13 19 26 38 247 494 2919113993 5838227986 37948481909 55463165867 75896963818 110926331734 721021156271 1442042312542