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50105550500 = 2253100211101
BaseRepresentation
bin101110101010100001…
…100000011010100100
311210022221102200200122
4232222201200122210
51310104010104000
635003531501112
73422443103105
oct565241403244
9153287380618
1050105550500
111a282305775
1298642b7798
1349568a7a45
1425d47683ac
151483c94085
hexbaa8606a4

50105550500 has 24 divisors (see below), whose sum is σ = 109430523384. Its totient is φ = 20042220000.

The previous prime is 50105550497. The next prime is 50105550529. The reversal of 50105550500 is 505550105.

It can be written as a sum of positive squares in 4 ways, for example, as 12581211556 + 37524338944 = 112166^2 + 193712^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50105550500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50105051 + ... + 50106050.

It is an arithmetic number, because the mean of its divisors is an integer number (4559605141).

Almost surely, 250105550500 is an apocalyptic number.

50105550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50105550500 is an abundant number, since it is smaller than the sum of its proper divisors (59324972884).

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

50105550500 is a wasteful number, since it uses less digits than its factorization.

50105550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100211120 (or 100211108 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 50105550500 in words is "fifty billion, one hundred five million, five hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 100211101 200422202 400844404 501055505 1002111010 2004222020 2505277525 5010555050 10021110100 12526387625 25052775250 50105550500