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42718210549 = 719321189553
BaseRepresentation
bin100111110010001101…
…000010100111110101
311002021002211221101021
4213302031002213311
51144441330214144
631342515301141
73041411540620
oct476215024765
9132232757337
1042718210549
1117131352943
1283422aa7b1
13404a273a81
1420d35c0db7
1511a0467884
hex9f23429f5

42718210549 has 8 divisors (see below), whose sum is σ = 51390328640. Its totient is φ = 34688471616.

The previous prime is 42718210543. The next prime is 42718210567. The reversal of 42718210549 is 94501281724.

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 42718210549 - 25 = 42718210517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718210543) 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, 160594644 + ... + 160594909.

It is an arithmetic number, because the mean of its divisors is an integer number (6423791080).

Almost surely, 242718210549 is an apocalyptic number.

It is an amenable number.

42718210549 is a deficient number, since it is larger than the sum of its proper divisors (8672118091).

42718210549 is a wasteful number, since it uses less digits than its factorization.

42718210549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321189579.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 42718210549 in words is "forty-two billion, seven hundred eighteen million, two hundred ten thousand, five hundred forty-nine".

Divisors: 1 7 19 133 321189553 2248326871 6102601507 42718210549