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53078696785 = 553679193253
BaseRepresentation
bin110001011011101111…
…001010001101010001
312002000010221011122201
4301123233022031101
51332201121244120
640214540403201
73556224323062
oct613357121521
9162003834581
1053078696785
11205685a4564
12a353b46501
13500b8493ba
1427d7580569
1515a9cd140a
hexc5bbca351

53078696785 has 32 divisors (see below), whose sum is σ = 65956757760. Its totient is φ = 40982692608.

The previous prime is 53078696779. The next prime is 53078696807. The reversal of 53078696785 is 58769687035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53078696785 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 16315219 + ... + 16318471.

It is an arithmetic number, because the mean of its divisors is an integer number (2061148680).

Almost surely, 253078696785 is an apocalyptic number.

It is an amenable number.

53078696785 is a deficient number, since it is larger than the sum of its proper divisors (12878060975).

53078696785 is a wasteful number, since it uses less digits than its factorization.

53078696785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 53078696785 in words is "fifty-three billion, seventy-eight million, six hundred ninety-six thousand, seven hundred eighty-five".

Divisors: 1 5 53 67 265 335 919 3253 3551 4595 16265 17755 48707 61573 172409 217951 243535 307865 862045 1089755 2989507 3263369 11551403 14947535 16316845 57757015 158443871 200296969 792219355 1001484845 10615739357 53078696785