Search a number
-
+
51650313266465 = 551891990761737
BaseRepresentation
bin10111011111001110001101…
…00100110010010100100001
320202212201111010201111112122
423233213012210302110201
523232214320144011330
6301503454254034025
713610416624633214
oct1357470644622441
9222781433644478
1051650313266465
1115503858355331
1259622154a8915
1322a87b02800b4
14ca7c6208d77b
155e88233685e5
hex2ef9c6932521

51650313266465 has 8 divisors (see below), whose sum is σ = 61992320521320. Its totient is φ = 41312287545472.

The previous prime is 51650313266351. The next prime is 51650313266473. The reversal of 51650313266465 is 56466231305615.

51650313266465 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 4 ways, for example, as 27977339788321 + 23672973478144 = 5289361^2 + 4865488^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51650313266465 - 224 = 51650296489249 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 995354924 + ... + 995406813.

It is an arithmetic number, because the mean of its divisors is an integer number (7749040065165).

Almost surely, 251650313266465 is an apocalyptic number.

It is an amenable number.

51650313266465 is a deficient number, since it is larger than the sum of its proper divisors (10342007254855).

51650313266465 is a wasteful number, since it uses less digits than its factorization.

51650313266465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990766931.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 51650313266465 in words is "fifty-one trillion, six hundred fifty billion, three hundred thirteen million, two hundred sixty-six thousand, four hundred sixty-five".

Divisors: 1 5 5189 25945 1990761737 9953808685 10330062653293 51650313266465