Search a number
-
+
50712768861 = 3140911997343
BaseRepresentation
bin101111001110101101…
…110111000101011101
311211220021000120200120
4233032231313011131
51312324432100421
635144102345153
73443465265036
oct571655670535
9154807016616
1050712768861
111a564043927
1299b372b1b9
134a22630051
14265126da8d
1514bc23a8c6
hexbceb7715d

50712768861 has 8 divisors (see below), whose sum is σ = 67665020160. Its totient is φ = 33784515072.

The previous prime is 50712768853. The next prime is 50712768979. The reversal of 50712768861 is 16886721705.

It is a happy number.

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

It is not a de Polignac number, because 50712768861 - 23 = 50712768853 is a prime.

It is a super-2 number, since 2×507127688612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50712768811) by changing a digit.

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, 5994445 + ... + 6002898.

It is an arithmetic number, because the mean of its divisors is an integer number (8458127520).

Almost surely, 250712768861 is an apocalyptic number.

It is an amenable number.

50712768861 is a deficient number, since it is larger than the sum of its proper divisors (16952251299).

50712768861 is a wasteful number, since it uses less digits than its factorization.

50712768861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998755.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 50712768861 in words is "fifty billion, seven hundred twelve million, seven hundred sixty-eight thousand, eight hundred sixty-one".

Divisors: 1 3 1409 4227 11997343 35992029 16904256287 50712768861