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500010000050 = 25211290912
BaseRepresentation
bin1110100011010101110…
…10110001111010110010
31202210121120000202201202
413101222322301322302
531143010030000200
61021411301331202
751060466606121
oct7215272617262
91683546022652
10500010000050
11183064678700
1280aa4406b02
13381c623c672
141a2b46a7ab8
15d01695b1d5
hex746aeb1eb2

500010000050 has 54 divisors (see below), whose sum is σ = 1022364308637. Its totient is φ = 181801818000.

The previous prime is 500010000047. The next prime is 500010000097. The reversal of 500010000050 is 50000010005.

It can be written as a sum of positive squares in 2 ways, for example, as 490009800049 + 10000200001 = 700007^2 + 100001^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=500005.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500009999986 and 500010000040.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 54996005 + ... + 55005095.

Almost surely, 2500010000050 is an apocalyptic number.

500010000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500010000050 is an abundant number, since it is smaller than the sum of its proper divisors (522354308587).

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

500010000050 is an frugal number, since it uses more digits than its factorization.

500010000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18216 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

500010000050 divided by its product of nonzero digits (25) gives a palindrome (20000400002).

Adding to 500010000050 its reverse (50000010005), we get a palindrome (550010010055).

The spelling of 500010000050 in words is "five hundred billion, ten million, fifty", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3025 6050 9091 18182 45455 90910 100001 200002 227275 454550 500005 1000010 1100011 2200022 2500025 5000050 5500055 11000110 27500275 55000550 82646281 165292562 413231405 826462810 909109091 1818218182 2066157025 4132314050 4545545455 9091090910 10000200001 20000400002 22727727275 45455454550 50001000005 100002000010 250005000025 500010000050