Search a number
-
+
50808823812 = 22321411356217
BaseRepresentation
bin101111010100011100…
…010010000000000100
311212010221202200022100
4233110130102000010
51313024024330222
635201413232100
73446042606445
oct572434220004
9155127680270
1050808823812
111a60329038a
129a1b932630
134a394c1cb6
14265dd152cc
1514c58b14ac
hexbd4712004

50808823812 has 18 divisors (see below), whose sum is σ = 128433415838. Its totient is φ = 16936274592.

The previous prime is 50808823783. The next prime is 50808823823. The reversal of 50808823812 is 21832880805.

It can be written as a sum of positive squares in only one way, i.e., 37282203396 + 13526620416 = 193086^2 + 116304^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×508088238122 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705678073 + ... + 705678144.

Almost surely, 250808823812 is an apocalyptic number.

It is an amenable number.

50808823812 is an abundant number, since it is smaller than the sum of its proper divisors (77624592026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50808823812 is a wasteful number, since it uses less digits than its factorization.

50808823812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411356227 (or 1411356222 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 50808823812 in words is "fifty billion, eight hundred eight million, eight hundred twenty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1411356217 2822712434 4234068651 5645424868 8468137302 12702205953 16936274604 25404411906 50808823812