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50020000000 = 28574161
BaseRepresentation
bin101110100101011011…
…001010000100000000
311210002222110021110121
4232211123022010000
51304420110000000
634551234110024
73420353661535
oct564533120400
9153088407417
1050020000000
111a238a93383
12983b71b314
134941c53149
1425c7258d8c
15147b4e5b1a
hexba56ca100

50020000000 has 288 divisors, whose sum is σ = 129945370464. Its totient is φ = 19200000000.

The previous prime is 50019999979. The next prime is 50020000013. The reversal of 50020000000 is 2005.

It can be written as a sum of positive squares in 16 ways, for example, as 472801536 + 49547198464 = 21744^2 + 222592^2 .

It is a sliding number, since 50020000000 = 20000000 + 50000000000 and 1/20000000 + 1/50000000000 = 0.000000050020000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819999970 + ... + 820000030.

It is an arithmetic number, because the mean of its divisors is an integer number (451199203).

Almost surely, 250020000000 is an apocalyptic number.

50020000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50020000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64972685232).

50020000000 is an abundant number, since it is smaller than the sum of its proper divisors (79925370464).

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

50020000000 is an frugal number, since it uses more digits than its factorization.

50020000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 7.

Adding to 50020000000 its reverse (2005), we get a palindrome (50020002005).

It can be divided in two parts, 500 and 20000000, that multiplied together give a 10-th power (10000000000 = 1010).

The spelling of 50020000000 in words is "fifty billion, twenty million", and thus it is an aban number and an uban number.