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51730841110620 = 223573179710934561
BaseRepresentation
bin10111100001100100001100…
…11010001000100001011100
320210011102100021001211121010
423300302012122020201130
523240024230311014440
6302004453105135220
713616300316211110
oct1360620632104134
9223142307054533
1051730841110620
1115534a21206551
12597594a02a510
1322b3274868919
14cabb00d8b740
155ea987d50580
hex2f0c8668885c

51730841110620 has 384 divisors, whose sum is σ = 171287133437952. Its totient is φ = 11415450009600.

The previous prime is 51730841110601. The next prime is 51730841110679. The reversal of 51730841110620 is 2601114803715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11341993140 + ... + 11341997700.

It is an arithmetic number, because the mean of its divisors is an integer number (446060243328).

Almost surely, 251730841110620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51730841110620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85643566718976).

51730841110620 is an abundant number, since it is smaller than the sum of its proper divisors (119556292327332).

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

51730841110620 is a wasteful number, since it uses less digits than its factorization.

51730841110620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 51730841110620 in words is "fifty-one trillion, seven hundred thirty billion, eight hundred forty-one million, one hundred ten thousand, six hundred twenty".