Search a number
-
+
50887065889 = 1117272123347
BaseRepresentation
bin101111011001000110…
…110000000100100001
311212100101222210021001
4233121012300010201
51313204042102024
635213250232001
73451012631452
oct573106600441
9155311883231
1050887065889
111a643470860
129a41b85601
134a4c78819a
14266a481129
1514cc6b9244
hexbd91b0121

50887065889 has 8 divisors (see below), whose sum is σ = 58778643168. Its totient is φ = 43539735360.

The previous prime is 50887065877. The next prime is 50887065941. The reversal of 50887065889 is 98856078805.

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

It is not a de Polignac number, because 50887065889 - 215 = 50887033121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50887065889.

It is not an unprimeable number, because it can be changed into a prime (50887065809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136061487 + ... + 136061860.

It is an arithmetic number, because the mean of its divisors is an integer number (7347330396).

Almost surely, 250887065889 is an apocalyptic number.

It is an amenable number.

50887065889 is a deficient number, since it is larger than the sum of its proper divisors (7891577279).

50887065889 is a wasteful number, since it uses less digits than its factorization.

50887065889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272123375.

The product of its (nonzero) digits is 38707200, while the sum is 64.

The spelling of 50887065889 in words is "fifty billion, eight hundred eighty-seven million, sixty-five thousand, eight hundred eighty-nine".

Divisors: 1 11 17 187 272123347 2993356817 4626096899 50887065889