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42561068083 = 234343034447
BaseRepresentation
bin100111101000110101…
…100101110000110011
311001212011011021102221
4213220311211300303
51144131113134313
631315143221511
73034463052412
oct475065456063
9131764137387
1042561068083
1117060682436
1282b9747897
134023843b71
1420ba797479
151191776c8d
hex9e8d65c33

42561068083 has 8 divisors (see below), whose sum is σ = 45444377088. Its totient is φ = 39763828104.

The previous prime is 42561068057. The next prime is 42561068087. The reversal of 42561068083 is 38086016524.

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

It is a cyclic number.

It is not a de Polignac number, because 42561068083 - 25 = 42561068051 is a prime.

It is a super-2 number, since 2×425610680832 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42561068087) by changing a digit.

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, 21516235 + ... + 21518212.

It is an arithmetic number, because the mean of its divisors is an integer number (5680547136).

Almost surely, 242561068083 is an apocalyptic number.

42561068083 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42561068083 is a deficient number, since it is larger than the sum of its proper divisors (2883309005).

42561068083 is a wasteful number, since it uses less digits than its factorization.

42561068083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43034513.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 42561068083 in words is "forty-two billion, five hundred sixty-one million, sixty-eight thousand, eighty-three".

Divisors: 1 23 43 989 43034447 989792281 1850481221 42561068083