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115201948219 = 656991753481
BaseRepresentation
bin110101101001010010…
…0100011101000111011
3102000100121210022210221
41223102210203220323
53341413144320334
6124531213320511
711215545255151
oct1532244435073
9360317708727
10115201948219
1144947550876
121a3b0a96137
13ab2c145787
14580c0133d1
152ee3b408b4
hex1ad2923a3b

115201948219 has 4 divisors (see below), whose sum is σ = 115203767400. Its totient is φ = 115200129040.

The previous prime is 115201948201. The next prime is 115201948243. The reversal of 115201948219 is 912849102511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912849102511 = 2931477555259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115201948219 is a prime.

It is a super-2 number, since 2×1152019482192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115201948259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 811042 + ... + 942439.

It is an arithmetic number, because the mean of its divisors is an integer number (28800941850).

Almost surely, 2115201948219 is an apocalyptic number.

115201948219 is a deficient number, since it is larger than the sum of its proper divisors (1819181).

115201948219 is an equidigital number, since it uses as much as digits as its factorization.

115201948219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819180.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 115201948219 in words is "one hundred fifteen billion, two hundred one million, nine hundred forty-eight thousand, two hundred nineteen".

Divisors: 1 65699 1753481 115201948219