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720730464808071 = 3344403769756361
BaseRepresentation
bin1010001111100000000010001…
…1010101010110110010000111
310111111220011022022002012120110
42203320000203111112302013
51223431421442442324241
611032511001001204103
7304545025541042304
oct24370004325266207
93444804268065513
10720730464808071
11199713089a85a83
1268a02486490633
1324c2078bb4b483
14c9d977d6820ab
15584ccc021a816
hex28f8023556c87

720730464808071 has 8 divisors (see below), whose sum is σ = 960974245879024. Its totient is φ = 480486830137920.

The previous prime is 720730464808051. The next prime is 720730464808103. The reversal of 720730464808071 is 170808464037027.

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

It is not a de Polignac number, because 720730464808071 - 219 = 720730464283783 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 (720730464808031) 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, 24546070 + ... + 45210291.

It is an arithmetic number, because the mean of its divisors is an integer number (120121780734878).

Almost surely, 2720730464808071 is an apocalyptic number.

720730464808071 is a deficient number, since it is larger than the sum of its proper divisors (240243781070953).

720730464808071 is a wasteful number, since it uses less digits than its factorization.

720730464808071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73200401.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 720730464808071 in words is "seven hundred twenty trillion, seven hundred thirty billion, four hundred sixty-four million, eight hundred eight thousand, seventy-one".

Divisors: 1 3 3444037 10332111 69756361 209269083 240243488269357 720730464808071