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442498353220068 = 223163290489778777
BaseRepresentation
bin110010010011100110010110…
…1001010000100100111100100
32011000202102121001112121021120
41210213030231022010213210
5430444343111411020233
64205040534231213540
7162130310462000115
oct14447145512044744
92130672531477246
10442498353220068
11118aa25525368a2
124176718b2172b0
1315cba553293042
147b3b06ac0620c
1536255e70bb4b3
hex192732d2849e4

442498353220068 has 48 divisors (see below), whose sum is σ = 1038835399842240. Its totient is φ = 146593853581824.

The previous prime is 442498353220061. The next prime is 442498353220093. The reversal of 442498353220068 is 860022353894244.

It is a junction number, because it is equal to n+sod(n) for n = 442498353219993 and 442498353220020.

It is not an unprimeable number, because it can be changed into a prime (442498353220061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567807096 + ... + 568585872.

It is an arithmetic number, because the mean of its divisors is an integer number (21642404163380).

Almost surely, 2442498353220068 is an apocalyptic number.

It is an amenable number.

442498353220068 is an abundant number, since it is smaller than the sum of its proper divisors (596337046622172).

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

442498353220068 is a wasteful number, since it uses less digits than its factorization.

442498353220068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069436 (or 1069434 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 60.

The spelling of 442498353220068 in words is "four hundred forty-two trillion, four hundred ninety-eight billion, three hundred fifty-three million, two hundred twenty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 290489 580978 778777 871467 1161956 1557554 1742934 2336331 3115108 3485868 4672662 9345324 47349707 94699414 126940651 142049121 189398828 253881302 284098242 380821953 507762604 568196484 761643906 1523287812 226226151953 452452303906 678678455859 904904607812 1357356911718 2714713823436 36874862768339 73749725536678 110624588305017 147499451073356 221249176610034 442498353220068