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51964271683 = 193499677797
BaseRepresentation
bin110000011001010011…
…111101110001000011
311222010110221111210221
4300121103331301003
51322410323143213
635512210403511
73516503010232
oct603123756103
9158113844727
1051964271683
1120046527485
12a0a2890597
134b919b796c
14272d568b19
15154204b38d
hexc194fdc43

51964271683 has 16 divisors (see below), whose sum is σ = 52481268000. Its totient is φ = 51450587136.

The previous prime is 51964271651. The next prime is 51964271717. The reversal of 51964271683 is 38617246915.

51964271683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51964271683 - 25 = 51964271651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51964271683.

It is not an unprimeable number, because it can be changed into a prime (51944271683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65199441 + ... + 65200237.

It is an arithmetic number, because the mean of its divisors is an integer number (3280079250).

Almost surely, 251964271683 is an apocalyptic number.

51964271683 is a deficient number, since it is larger than the sum of its proper divisors (516996317).

51964271683 is a wasteful number, since it uses less digits than its factorization.

51964271683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its digits is 2177280, while the sum is 52.

The spelling of 51964271683 in words is "fifty-one billion, nine hundred sixty-four million, two hundred seventy-one thousand, six hundred eighty-three".

Divisors: 1 193 499 677 797 96307 130661 153821 337823 397703 539569 65199839 76756679 104136817 269244931 51964271683