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118775406953 = 722423987897
BaseRepresentation
bin110111010011110010…
…0001110000101101001
3102100120122212211122102
41232213210032011221
53421223001010303
6130321545103145
711403236205200
oct1564744160551
9370518784572
10118775406953
1146410691255
121b029787ab5
13b27b591cb8
145a6a854237
15315270d288
hex1ba790e169

118775406953 has 6 divisors (see below), whose sum is σ = 138167310186. Its totient is φ = 101807491632.

The previous prime is 118775406941. The next prime is 118775406977. The reversal of 118775406953 is 359604577811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75214708009 + 43560698944 = 274253^2 + 208712^2 .

It is not a de Polignac number, because 118775406953 - 28 = 118775406697 is a prime.

It is a super-3 number, since 3×1187754069533 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118775406913) 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 5 ways as a sum of consecutive naturals, for example, 1211993900 + ... + 1211993997.

It is an arithmetic number, because the mean of its divisors is an integer number (23027885031).

Almost surely, 2118775406953 is an apocalyptic number.

It is an amenable number.

118775406953 is a deficient number, since it is larger than the sum of its proper divisors (19391903233).

118775406953 is an equidigital number, since it uses as much as digits as its factorization.

118775406953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423987911 (or 2423987904 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 118775406953 in words is "one hundred eighteen billion, seven hundred seventy-five million, four hundred six thousand, nine hundred fifty-three".

Divisors: 1 7 49 2423987897 16967915279 118775406953