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11787340153 = 11819980813
BaseRepresentation
bin10101111101001010…
…01000100101111001
31010102110221220212211
422332211020211321
5143120024341103
65225351335121
7565046511121
oct127645104571
933373856784
1011787340153
114aa9712136
12234b6814a1
13115b0970b4
147db6a1c81
1548ec6536d
hex2be948979

11787340153 has 4 divisors (see below), whose sum is σ = 11797322148. Its totient is φ = 11777358160.

The previous prime is 11787340151. The next prime is 11787340163. The reversal of 11787340153 is 35104378711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35104378711 = 93923373757.

It can be written as a sum of positive squares in 2 ways, for example, as 7823756304 + 3963583849 = 88452^2 + 62957^2 .

It is a cyclic number.

It is not a de Polignac number, because 11787340153 - 21 = 11787340151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11787340151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989226 + ... + 4991587.

It is an arithmetic number, because the mean of its divisors is an integer number (2949330537).

Almost surely, 211787340153 is an apocalyptic number.

It is an amenable number.

11787340153 is a deficient number, since it is larger than the sum of its proper divisors (9981995).

11787340153 is an equidigital number, since it uses as much as digits as its factorization.

11787340153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981994.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 11787340153 in words is "eleven billion, seven hundred eighty-seven million, three hundred forty thousand, one hundred fifty-three".

Divisors: 1 1181 9980813 11787340153