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51442287552086 = 2102892499868187
BaseRepresentation
bin10111011001001010101110…
…10001101010011001010110
320202010211112110122021122112
423230211113101222121112
523220312301103131321
6301224132145031022
713556403561350054
oct1354452721523126
9222124473567575
1051442287552086
1115433608253132
125929a3a025472
132291caa2b6702
14c9bb6a12d1d4
155e31ea519a5b
hex2ec95746a656

51442287552086 has 8 divisors (see below), whose sum is σ = 77170930963560. Its totient is φ = 25718643897568.

The previous prime is 51442287552067. The next prime is 51442287552151. The reversal of 51442287552086 is 68025578224415.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249913516 + ... + 1249954671.

It is an arithmetic number, because the mean of its divisors is an integer number (9646366370445).

Almost surely, 251442287552086 is an apocalyptic number.

51442287552086 is a deficient number, since it is larger than the sum of its proper divisors (25728643411474).

51442287552086 is a wasteful number, since it uses less digits than its factorization.

51442287552086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499878478.

The product of its (nonzero) digits is 43008000, while the sum is 59.

The spelling of 51442287552086 in words is "fifty-one trillion, four hundred forty-two billion, two hundred eighty-seven million, five hundred fifty-two thousand, eighty-six".

Divisors: 1 2 10289 20578 2499868187 4999736374 25721143776043 51442287552086