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42448685911 = 1971523141481
BaseRepresentation
bin100111100010001000…
…111000101101010111
311001120022200200002021
4213202020320231113
51143413330422121
631300050354011
73031626606532
oct474210705527
9131508620067
1042448685911
11170031a4005
128287b8b907
134006486438
1420a98a1a19
151186978641
hex9e2238b57

42448685911 has 8 divisors (see below), whose sum is σ = 42692476464. Its totient is φ = 42205181760.

The previous prime is 42448685887. The next prime is 42448685921. The reversal of 42448685911 is 11958684424.

42448685911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42448685911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42448685921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229291 + ... + 370771.

It is an arithmetic number, because the mean of its divisors is an integer number (5336559558).

Almost surely, 242448685911 is an apocalyptic number.

42448685911 is a deficient number, since it is larger than the sum of its proper divisors (243790553).

42448685911 is a wasteful number, since it uses less digits than its factorization.

42448685911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143201.

The product of its digits is 2211840, while the sum is 52.

The spelling of 42448685911 in words is "forty-two billion, four hundred forty-eight million, six hundred eighty-five thousand, nine hundred eleven".

Divisors: 1 197 1523 141481 300031 27871757 215475563 42448685911