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42385044830 = 2529146155327
BaseRepresentation
bin100111011110010110…
…000111010101011110
311001101212221100221012
4213132112013111132
51143301032413310
631245454335222
73030224636162
oct473626072536
9131355840835
1042385044830
1116a80286577
12826a7ba512
133cc62330ab
1420a1256ca2
1511810a6c05
hex9de58755e

42385044830 has 16 divisors (see below), whose sum is σ = 78923877120. Its totient is φ = 16369396512.

The previous prime is 42385044817. The next prime is 42385044833. The reversal of 42385044830 is 3844058324.

It is a super-2 number, since 2×423850448302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42385044833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73077374 + ... + 73077953.

It is an arithmetic number, because the mean of its divisors is an integer number (4932742320).

Almost surely, 242385044830 is an apocalyptic number.

42385044830 is a deficient number, since it is larger than the sum of its proper divisors (36538832290).

42385044830 is a wasteful number, since it uses less digits than its factorization.

42385044830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146155363.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 42385044830 in words is "forty-two billion, three hundred eighty-five million, forty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 146155327 292310654 730776635 1461553270 4238504483 8477008966 21192522415 42385044830