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42045054430 = 2538310977821
BaseRepresentation
bin100111001010000101…
…001001110111011110
311000112012012001210011
4213022011021313132
51142102013220210
631152031233434
73015626031421
oct471205116736
9130465161704
1042045054430
1116916378775
12819497887a
133c70972c42
14206c0339b8
1511612e8d8a
hex9ca149dde

42045054430 has 16 divisors (see below), whose sum is σ = 75878705664. Its totient is φ = 16774108960.

The previous prime is 42045054413. The next prime is 42045054461. The reversal of 42045054430 is 3445054024.

It is a junction number, because it is equal to n+sod(n) for n = 42045054392 and 42045054401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5485081 + ... + 5492740.

It is an arithmetic number, because the mean of its divisors is an integer number (4742419104).

Almost surely, 242045054430 is an apocalyptic number.

42045054430 is a deficient number, since it is larger than the sum of its proper divisors (33833651234).

42045054430 is a wasteful number, since it uses less digits than its factorization.

42045054430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978211.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 42045054430 in words is "forty-two billion, forty-five million, fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 383 766 1915 3830 10977821 21955642 54889105 109778210 4204505443 8409010886 21022527215 42045054430