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50717778050 = 2521975149013
BaseRepresentation
bin101111001111000000…
…111110000010000010
311211220121110002000002
4233033000332002002
51312332222344200
635144402000002
73443556000062
oct571700760202
9154817402002
1050717778050
111a566955355
1299b5346002
134a23695074
142651bb53a2
1514bc8c9bd5
hexbcf03e082

50717778050 has 24 divisors (see below), whose sum is σ = 94813943796. Its totient is φ = 20184127040.

The previous prime is 50717778047. The next prime is 50717778103. The reversal of 50717778050 is 5087771705.

It can be written as a sum of positive squares in 6 ways, for example, as 32188306921 + 18529471129 = 179411^2 + 136123^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50717777986 and 50717778004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2564657 + ... + 2584356.

Almost surely, 250717778050 is an apocalyptic number.

50717778050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50717778050 is a deficient number, since it is larger than the sum of its proper divisors (44096165746).

50717778050 is a wasteful number, since it uses less digits than its factorization.

50717778050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149222 (or 5149217 counting only the distinct ones).

The product of its (nonzero) digits is 480200, while the sum is 47.

The spelling of 50717778050 in words is "fifty billion, seven hundred seventeen million, seven hundred seventy-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 197 394 985 1970 4925 9850 5149013 10298026 25745065 51490130 128725325 257450650 1014355561 2028711122 5071777805 10143555610 25358889025 50717778050