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115401010545440 = 255721256315909
BaseRepresentation
bin11010001111010011100100…
…001111011000001100100000
3120010121020011211202022020222
4122033103210033120030200
5110111212232144423230
61045234254204022212
733210306422624444
oct3217234417301440
9503536154668228
10115401010545440
1133852325a55874
1210b395a4b31968
134c51365163b29
14206d61db80824
15d51ca23e36e5
hex68f4e43d8320

115401010545440 has 24 divisors (see below), whose sum is σ = 272634887413980. Its totient is φ = 46160404218112.

The previous prime is 115401010545397. The next prime is 115401010545463. The reversal of 115401010545440 is 44545010104511.

It can be written as a sum of positive squares in 2 ways, for example, as 108336705714064 + 7064304831376 = 10408492^2 + 2657876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115401010545440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360628157795 + ... + 360628158114.

Almost surely, 2115401010545440 is an apocalyptic number.

115401010545440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115401010545440 is an abundant number, since it is smaller than the sum of its proper divisors (157233876868540).

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

115401010545440 is an equidigital number, since it uses as much as digits as its factorization.

115401010545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721256315924 (or 721256315916 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 115401010545440 its reverse (44545010104511), we get a palindrome (159946020649951).

The spelling of 115401010545440 in words is "one hundred fifteen trillion, four hundred one billion, ten million, five hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 721256315909 1442512631818 2885025263636 3606281579545 5770050527272 7212563159090 11540101054544 14425126318180 23080202109088 28850252636360 57700505272720 115401010545440