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51414230646078 = 23103513411620431
BaseRepresentation
bin10111011000010110011101…
…11101000011110100111110
320202001011010010121210010120
423230023032331003310332
523214332321021133303
6301203212124115410
713554361364523216
oct1354131675036476
9222034103553116
1051414230646078
111542271a919403
125924509995b66
13228c458663091
14c9a667ba9246
155e26072b2553
hex2ec2cef43d3e

51414230646078 has 32 divisors (see below), whose sum is σ = 103828882240512. Its totient is φ = 16971346744800.

The previous prime is 51414230646061. The next prime is 51414230646137. The reversal of 51414230646078 is 87064603241415.

It is a super-2 number, since 2×514142306460782 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51414230646078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30918523 + ... + 32538953.

It is an arithmetic number, because the mean of its divisors is an integer number (3244652570016).

Almost surely, 251414230646078 is an apocalyptic number.

51414230646078 is an abundant number, since it is smaller than the sum of its proper divisors (52414651594434).

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

51414230646078 is a wasteful number, since it uses less digits than its factorization.

51414230646078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671880.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 51414230646078 in words is "fifty-one trillion, four hundred fourteen billion, two hundred thirty million, six hundred forty-six thousand, seventy-eight".

Divisors: 1 2 3 6 103 206 309 618 51341 102682 154023 308046 1620431 3240862 4861293 5288123 9722586 10576246 15864369 31728738 166904393 333808786 500713179 1001426358 83194547971 166389095942 249583643913 499167287826 8569038441013 17138076882026 25707115323039 51414230646078