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2136317889 = 3712105963
BaseRepresentation
bin111111101010101…
…1001111111000001
312111212212012012210
41333111121333001
513333344133024
6551552412333
7103640255016
oct17725317701
95455765183
102136317889
119a6994282
124b75470a9
13280795734
14163a2170d
15c783d129
hex7f559fc1

2136317889 has 4 divisors (see below), whose sum is σ = 2848423856. Its totient is φ = 1424211924.

The previous prime is 2136317879. The next prime is 2136317893. The reversal of 2136317889 is 9887136312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2136317889 - 29 = 2136317377 is a prime.

It is a super-2 number, since 2×21363178892 = 9127708245722832642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136317879) 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, 356052979 + ... + 356052984.

It is an arithmetic number, because the mean of its divisors is an integer number (712105964).

Almost surely, 22136317889 is an apocalyptic number.

It is an amenable number.

2136317889 is a deficient number, since it is larger than the sum of its proper divisors (712105967).

2136317889 is an equidigital number, since it uses as much as digits as its factorization.

2136317889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712105966.

The product of its digits is 435456, while the sum is 48.

The square root of 2136317889 is about 46220.3190058225. The cubic root of 2136317889 is about 1287.9192240744.

The spelling of 2136317889 in words is "two billion, one hundred thirty-six million, three hundred seventeen thousand, eight hundred eighty-nine".

Divisors: 1 3 712105963 2136317889