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115312112045 = 5138112187463
BaseRepresentation
bin110101101100100100…
…0110011000110101101
3102000122022002020011122
41223121020303012231
53342124400041140
6124550150430325
711221353531404
oct1533110630655
9360568066148
10115312112045
11449a3754559
121a4219623a5
13ab48c07580
14581c8cc63b
152eed651ab5
hex1ad92331ad

115312112045 has 16 divisors (see below), whose sum is σ = 149202544512. Its totient is φ = 85048522560.

The previous prime is 115312112023. The next prime is 115312112087. The reversal of 115312112045 is 540211213511.

It is not a de Polignac number, because 115312112045 - 228 = 115043676589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041017 + ... + 1146446.

It is an arithmetic number, because the mean of its divisors is an integer number (9325159032).

Almost surely, 2115312112045 is an apocalyptic number.

It is an amenable number.

115312112045 is a deficient number, since it is larger than the sum of its proper divisors (33890432467).

115312112045 is a wasteful number, since it uses less digits than its factorization.

115312112045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188292.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 115312112045 its reverse (540211213511), we get a palindrome (655523325556).

The spelling of 115312112045 in words is "one hundred fifteen billion, three hundred twelve million, one hundred twelve thousand, forty-five".

Divisors: 1 5 13 65 811 4055 10543 52715 2187463 10937315 28437019 142185095 1774032493 8870162465 23062422409 115312112045