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51552101071 = 61845116411
BaseRepresentation
bin110000000000101111…
…101010001011001111
311221001202101002000201
4300000233222023033
51321034314213241
635403244234331
73503336425522
oct600057521317
9157052332021
1051552101071
111a9548a9609
129ba883b9a7
134b274a4823
1426d0916bb9
15151ac81931
hexc00bea2cf

51552101071 has 4 divisors (see below), whose sum is σ = 52397217544. Its totient is φ = 50706984600.

The previous prime is 51552101047. The next prime is 51552101119. The reversal of 51552101071 is 17010125515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51552101071 - 215 = 51552068303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552101021) 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 3 ways as a sum of consecutive naturals, for example, 422558145 + ... + 422558266.

It is an arithmetic number, because the mean of its divisors is an integer number (13099304386).

Almost surely, 251552101071 is an apocalyptic number.

51552101071 is a deficient number, since it is larger than the sum of its proper divisors (845116473).

51552101071 is an equidigital number, since it uses as much as digits as its factorization.

51552101071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845116472.

The product of its (nonzero) digits is 1750, while the sum is 28.

Adding to 51552101071 its reverse (17010125515), we get a palindrome (68562226586).

The spelling of 51552101071 in words is "fifty-one billion, five hundred fifty-two million, one hundred one thousand, seventy-one".

Divisors: 1 61 845116411 51552101071