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115940505850 = 25213178370009
BaseRepresentation
bin110101111111010010…
…1111011100011111010
3102002021002111221102021
41223332211323203322
53344421232141400
6125132355225054
711243054016331
oct1537645734372
9362232457367
10115940505850
1145196436084
121a5782a818a
13ac19165020
14587c146d18
1530388cc71a
hex1afe97b8fa

115940505850 has 24 divisors (see below), whose sum is σ = 232237753020. Its totient is φ = 42808801920.

The previous prime is 115940505839. The next prime is 115940505871. The reversal of 115940505850 is 58505049511.

It is a happy number.

115940505850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 7315551961 + 108624953889 = 85531^2 + 329583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115940505797 and 115940505806.

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, 89184355 + ... + 89185654.

Almost surely, 2115940505850 is an apocalyptic number.

115940505850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115940505850 is an abundant number, since it is smaller than the sum of its proper divisors (116297247170).

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

115940505850 is a wasteful number, since it uses less digits than its factorization.

115940505850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178370034 (or 178370029 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 43.

The spelling of 115940505850 in words is "one hundred fifteen billion, nine hundred forty million, five hundred five thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 178370009 356740018 891850045 1783700090 2318810117 4459250225 4637620234 8918500450 11594050585 23188101170 57970252925 115940505850