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51288810290 = 2543119276303
BaseRepresentation
bin101111110001000011…
…010010001100110010
311220101101221111222022
4233301003102030302
51320014413412130
635321201111442
73463661460104
oct576103221462
9156341844868
1051288810290
111a82a218323
129b34628582
134ab4a8a773
1426a797b574
151502ac47e5
hexbf10d2332

51288810290 has 16 divisors (see below), whose sum is σ = 94466832768. Its totient is φ = 20038418736.

The previous prime is 51288810289. The next prime is 51288810299. The reversal of 51288810290 is 9201888215.

It is not an unprimeable number, because it can be changed into a prime (51288810299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59637722 + ... + 59638581.

It is an arithmetic number, because the mean of its divisors is an integer number (5904177048).

Almost surely, 251288810290 is an apocalyptic number.

51288810290 is a deficient number, since it is larger than the sum of its proper divisors (43178022478).

51288810290 is a wasteful number, since it uses less digits than its factorization.

51288810290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119276353.

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 51288810290 in words is "fifty-one billion, two hundred eighty-eight million, eight hundred ten thousand, two hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 119276303 238552606 596381515 1192763030 5128881029 10257762058 25644405145 51288810290