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42354334361 = 172491431433
BaseRepresentation
bin100111011100100000…
…111101101010011001
311001022202011010002102
4213130200331222121
51143220202144421
631242440213145
73026402621243
oct473440755231
9131282133072
1042354334361
1116a64a10319
12826046a1b5
133cbca6c911
14209b141093
15117d53c60b
hex9dc83da99

42354334361 has 4 divisors (see below), whose sum is σ = 44845765812. Its totient is φ = 39862902912.

The previous prime is 42354334301. The next prime is 42354334387. The reversal of 42354334361 is 16343345324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22483203136 + 19871131225 = 149944^2 + 140965^2 .

It is a cyclic number.

It is not a de Polignac number, because 42354334361 - 218 = 42354072217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354334301) 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 3 ways as a sum of consecutive naturals, for example, 1245715700 + ... + 1245715733.

It is an arithmetic number, because the mean of its divisors is an integer number (11211441453).

Almost surely, 242354334361 is an apocalyptic number.

It is an amenable number.

42354334361 is a deficient number, since it is larger than the sum of its proper divisors (2491431451).

42354334361 is a wasteful number, since it uses less digits than its factorization.

42354334361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491431450.

The product of its digits is 311040, while the sum is 38.

Adding to 42354334361 its reverse (16343345324), we get a palindrome (58697679685).

The spelling of 42354334361 in words is "forty-two billion, three hundred fifty-four million, three hundred thirty-four thousand, three hundred sixty-one".

Divisors: 1 17 2491431433 42354334361