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42354171043 = 192229166897
BaseRepresentation
bin100111011100100000…
…010101110010100011
311001022201211211001121
4213130200111302203
51143220131433133
631242432513111
73026401341142
oct473440256243
9131281754047
1042354171043
1116a64909648
1282603ab797
133cbca13492
14209b0db759
15117d50902d
hex9dc815ca3

42354171043 has 4 divisors (see below), whose sum is σ = 44583337960. Its totient is φ = 40125004128.

The previous prime is 42354171037. The next prime is 42354171047. The reversal of 42354171043 is 34017145324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42354171043 - 229 = 41817300131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354171047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114583430 + ... + 1114583467.

It is an arithmetic number, because the mean of its divisors is an integer number (11145834490).

Almost surely, 242354171043 is an apocalyptic number.

42354171043 is a deficient number, since it is larger than the sum of its proper divisors (2229166917).

42354171043 is a wasteful number, since it uses less digits than its factorization.

42354171043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229166916.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 42354171043 in words is "forty-two billion, three hundred fifty-four million, one hundred seventy-one thousand, forty-three".

Divisors: 1 19 2229166897 42354171043