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42068051816 = 237751215211
BaseRepresentation
bin100111001011011100…
…111000011101101000
311000120210110110021012
4213023130320131220
51142123410124231
631154212203052
73016325353250
oct471334703550
9130523413235
1042068051816
1116928355a7a
1281a0609488
133c7566576b
1420710dc960
15116333ce2b
hex9cb738768

42068051816 has 16 divisors (see below), whose sum is σ = 90145825440. Its totient is φ = 18029165040.

The previous prime is 42068051803. The next prime is 42068051819. The reversal of 42068051816 is 61815086024.

It is not an unprimeable number, because it can be changed into a prime (42068051819) 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, 375607550 + ... + 375607661.

It is an arithmetic number, because the mean of its divisors is an integer number (5634114090).

Almost surely, 242068051816 is an apocalyptic number.

It is an amenable number.

42068051816 is an abundant number, since it is smaller than the sum of its proper divisors (48077773624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42068051816 is a wasteful number, since it uses less digits than its factorization.

42068051816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751215224 (or 751215220 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 42068051816 in words is "forty-two billion, sixty-eight million, fifty-one thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 751215211 1502430422 3004860844 5258506477 6009721688 10517012954 21034025908 42068051816