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442131366353 = 7135281176503
BaseRepresentation
bin1100110111100010001…
…01010100000111010001
31120021012220011112110212
412123301011110013101
524220441112210403
6535040133333505
743641266414615
oct6336105240721
91507186145425
10442131366353
111605636a2536
1271830a97295
1332901141611
1417583863345
15b77a5914d8
hex66f11541d1

442131366353 has 8 divisors (see below), whose sum is σ = 448373817216. Its totient is φ = 435889339200.

The previous prime is 442131366277. The next prime is 442131366377. The reversal of 442131366353 is 353663131244.

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 442131366353 - 226 = 442064257489 is a prime.

It is a super-2 number, since 2×4421313663532 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442131366353.

It is not an unprimeable number, because it can be changed into a prime (442131365353) 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, 2416700 + ... + 2593202.

It is an arithmetic number, because the mean of its divisors is an integer number (56046727152).

Almost surely, 2442131366353 is an apocalyptic number.

It is an amenable number.

442131366353 is a deficient number, since it is larger than the sum of its proper divisors (6242450863).

442131366353 is a wasteful number, since it uses less digits than its factorization.

442131366353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211855.

The product of its digits is 466560, while the sum is 41.

Adding to 442131366353 its reverse (353663131244), we get a palindrome (795794497597).

The spelling of 442131366353 in words is "four hundred forty-two billion, one hundred thirty-one million, three hundred sixty-six thousand, three hundred fifty-three".

Divisors: 1 71 35281 176503 2504951 12531713 6227202343 442131366353