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442443021434343 = 32233854175545697
BaseRepresentation
bin110010010011001100100101…
…1001000000011110111100111
32011000120010202220000122122100
41210212121023020003313213
5430442441301441344333
64204555303523103143
7162123311345403426
oct14446311310036747
92130503686018570
10442443021434343
11118a81039152266
1241758508811ab3
1315cb5275a17c27
147b384dc3292bd
153623e595d3213
hex192664b203de7

442443021434343 has 24 divisors (see below), whose sum is σ = 666872491510368. Its totient is φ = 282136795978752.

The previous prime is 442443021434317. The next prime is 442443021434437. The reversal of 442443021434343 is 343434120344244.

442443021434343 is a `hidden beast` number, since 4 + 4 + 2 + 44 + 30 + 2 + 143 + 434 + 3 = 666.

It is not a de Polignac number, because 442443021434343 - 26 = 442443021434279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443021434143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77008471 + ... + 82554167.

It is an arithmetic number, because the mean of its divisors is an integer number (27786353812932).

Almost surely, 2442443021434343 is an apocalyptic number.

442443021434343 is a deficient number, since it is larger than the sum of its proper divisors (224429470076025).

442443021434343 is a wasteful number, since it uses less digits than its factorization.

442443021434343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931143 (or 5931140 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 45.

Adding to 442443021434343 its reverse (343434120344244), we get a palindrome (785877141778587).

The spelling of 442443021434343 in words is "four hundred forty-two trillion, four hundred forty-three billion, twenty-one million, four hundred thirty-four thousand, three hundred forty-three".

Divisors: 1 3 9 23 69 207 385417 1156251 3468753 5545697 8864591 16637091 26593773 49911273 79781319 127551031 382653093 1147959279 2137405900649 6412217701947 19236653105841 49160335714927 147481007144781 442443021434343