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51660055565032 = 236457506945629
BaseRepresentation
bin10111011111100000010110…
…10000101101001011101000
320202220122122002120112202111
423233300023100231023220
523232344243211040112
6301512145113212104
713611213223046065
oct1357601320551350
9222818562515674
1051660055565032
11155079a7656452
125964094101034
1322a96a375c5c5
14ca8507ccdc6c
155e8be37c05a7
hex2efc0b42d2e8

51660055565032 has 8 divisors (see below), whose sum is σ = 96862604184450. Its totient is φ = 25830027782512.

The previous prime is 51660055564979. The next prime is 51660055565059. The reversal of 51660055565032 is 23056555006615.

51660055565032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30681695279236 + 20978360285796 = 5539106^2 + 4580214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×516600555650322 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228753472807 + ... + 3228753472822.

Almost surely, 251660055565032 is an apocalyptic number.

It is an amenable number.

51660055565032 is a deficient number, since it is larger than the sum of its proper divisors (45202548619418).

51660055565032 is a wasteful number, since it uses less digits than its factorization.

51660055565032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457506945635 (or 6457506945631 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 51660055565032 in words is "fifty-one trillion, six hundred sixty billion, fifty-five million, five hundred sixty-five thousand, thirty-two".

Divisors: 1 2 4 8 6457506945629 12915013891258 25830027782516 51660055565032