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51289241403056 = 245361159793281
BaseRepresentation
bin10111010100101101101010…
…00000111011111010110000
320201121012111102022100212112
423222112311000323322300
523210310331244344211
6301025541402544452
713542345133504616
oct1352266500737260
9221535442270775
1051289241403056
1115384710734148
125904247208128
132280729915407
14c945abda16b6
155de23e2cc88b
hex2ea5b503beb0

51289241403056 has 20 divisors (see below), whose sum is σ = 99374760472104. Its totient is φ = 25644141926400.

The previous prime is 51289241402957. The next prime is 51289241403061. The reversal of 51289241403056 is 65030414298215.

It is a super-2 number, since 2×512892414030562 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51289241402995 and 51289241403013.

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, 29038865 + ... + 30754416.

Almost surely, 251289241403056 is an apocalyptic number.

It is an amenable number.

51289241403056 is a deficient number, since it is larger than the sum of its proper divisors (48085519069048).

51289241403056 is a wasteful number, since it uses less digits than its factorization.

51289241403056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59846900 (or 59846894 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 51289241403056 in words is "fifty-one trillion, two hundred eighty-nine billion, two hundred forty-one million, four hundred three thousand, fifty-six".

Divisors: 1 2 4 8 16 53611 107222 214444 428888 857776 59793281 119586562 239173124 478346248 956692496 3205577587691 6411155175382 12822310350764 25644620701528 51289241403056