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115442145120340 = 22514614139496837
BaseRepresentation
bin11010001111111001111000…
…000011010101000001010100
3120010202011100120201012221001
4122033321320003111001110
5110112401003122322330
61045305220032433044
733213263655013003
oct3217717003250124
9503664316635831
10115442145120340
1133868814393815
1210b455649a8784
134c551bc2b148c
142071602ccac3a
15d52dad7e09ca
hex68fe780d5054

115442145120340 has 24 divisors (see below), whose sum is σ = 242430169757832. Its totient is φ = 46176540904320.

The previous prime is 115442145120259. The next prime is 115442145120359. The reversal of 115442145120340 is 43021541244511.

It can be written as a sum of positive squares in 4 ways, for example, as 71963392799376 + 43478752320964 = 8483124^2 + 6593842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115442145120340.

It is a congruent number.

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, 16825599 + ... + 22671238.

It is an arithmetic number, because the mean of its divisors is an integer number (10101257073243).

Almost surely, 2115442145120340 is an apocalyptic number.

115442145120340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115442145120340 is an abundant number, since it is smaller than the sum of its proper divisors (126988024637492).

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

115442145120340 is a wasteful number, since it uses less digits than its factorization.

115442145120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39642987 (or 39642985 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 115442145120340 its reverse (43021541244511), we get a palindrome (158463686364851).

The spelling of 115442145120340 in words is "one hundred fifteen trillion, four hundred forty-two billion, one hundred forty-five million, one hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 146141 292282 584564 730705 1461410 2922820 39496837 78993674 157987348 197484185 394968370 789936740 5772107256017 11544214512034 23088429024068 28860536280085 57721072560170 115442145120340