Search a number
-
+
50771005820 = 2252538550291
BaseRepresentation
bin101111010010001100…
…000001000101111100
311212001022121022202222
4233102030001011330
51312434334141240
635153542504512
73445103300063
oct572214010574
9155038538688
1050771005820
111a593a00147
129a0b135138
134a317106a2
142658cad1da
1514c23e0eb5
hexbd230117c

50771005820 has 12 divisors (see below), whose sum is σ = 106619112264. Its totient is φ = 20308402320.

The previous prime is 50771005793. The next prime is 50771005829. The reversal of 50771005820 is 2850017705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50771005829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269275126 + ... + 1269275165.

It is an arithmetic number, because the mean of its divisors is an integer number (8884926022).

Almost surely, 250771005820 is an apocalyptic number.

It is an amenable number.

50771005820 is an abundant number, since it is smaller than the sum of its proper divisors (55848106444).

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

50771005820 is a wasteful number, since it uses less digits than its factorization.

50771005820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538550300 (or 2538550298 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 50771005820 in words is "fifty billion, seven hundred seventy-one million, five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2538550291 5077100582 10154201164 12692751455 25385502910 50771005820