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51412248942015 = 3513467893563489
BaseRepresentation
bin10111011000010010110001…
…10101011101010110111111
320202000222000000200210012210
423230021120311131112333
523214314241212121030
6301202243333231503
713554261312362313
oct1354113065352677
9222028000623183
1051412248942015
11154218a3238855
125924056192593
13228c200c23620
14c9a51a913b43
155e253d315bb0
hex2ec258d5d5bf

51412248942015 has 32 divisors (see below), whose sum is σ = 88587606260160. Its totient is φ = 25310546620416.

The previous prime is 51412248942013. The next prime is 51412248942053. The reversal of 51412248942015 is 51024984221415.

It is not a de Polignac number, because 51412248942015 - 21 = 51412248942013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412248942013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90957391 + ... + 91520879.

It is an arithmetic number, because the mean of its divisors is an integer number (2768362695630).

Almost surely, 251412248942015 is an apocalyptic number.

51412248942015 is a deficient number, since it is larger than the sum of its proper divisors (37175357318145).

51412248942015 is a wasteful number, since it uses less digits than its factorization.

51412248942015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031403.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 51412248942015 in words is "fifty-one trillion, four hundred twelve billion, two hundred forty-eight million, nine hundred forty-two thousand, fifteen".

Divisors: 1 3 5 13 15 39 65 195 467893 563489 1403679 1690467 2339465 2817445 6082609 7018395 7325357 8452335 18247827 21976071 30413045 36626785 91239135 109880355 263652558677 790957676031 1318262793385 3427483262801 3954788380155 10282449788403 17137416314005 51412248942015