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51983955164 = 2212995988791
BaseRepresentation
bin110000011010011111…
…000011010011011100
311222011211222112110202
4300122133003103130
51322430343031124
635514152323032
73520132220411
oct603237032334
9158154875422
1051983955164
1120056650a19
12a0a93a3478
134b95ab9cab
142732010108
151543b385ae
hexc1a7c34dc

51983955164 has 6 divisors (see below), whose sum is σ = 90971921544. Its totient is φ = 25991977580.

The previous prime is 51983955151. The next prime is 51983955169. The reversal of 51983955164 is 46155938915.

51983955164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×519839551643 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51983955169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6497994392 + ... + 6497994399.

It is an arithmetic number, because the mean of its divisors is an integer number (15161986924).

Almost surely, 251983955164 is an apocalyptic number.

It is an amenable number.

51983955164 is a deficient number, since it is larger than the sum of its proper divisors (38987966380).

51983955164 is a wasteful number, since it uses less digits than its factorization.

51983955164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995988795 (or 12995988793 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 56.

The spelling of 51983955164 in words is "fifty-one billion, nine hundred eighty-three million, nine hundred fifty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 12995988791 25991977582 51983955164