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165075701113 = 385342843421
BaseRepresentation
bin1001100110111101000…
…1110100110101111001
3120210002102001110222001
42121233101310311321
510201033334413423
6203500145101001
714632505210431
oct2315721646571
9523072043861
10165075701113
116400aa25574
1227bab627761
13127499b1c6b
147dbda7d2c1
154462398cad
hex266f474d79

165075701113 has 4 divisors (see below), whose sum is σ = 165118548388. Its totient is φ = 165032853840.

The previous prime is 165075701111. The next prime is 165075701179. The reversal of 165075701113 is 311107570561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128345212009 + 36730489104 = 358253^2 + 191652^2 .

It is a cyclic number.

It is not a de Polignac number, because 165075701113 - 21 = 165075701111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165075701111) 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, 21417858 + ... + 21425563.

It is an arithmetic number, because the mean of its divisors is an integer number (41279637097).

Almost surely, 2165075701113 is an apocalyptic number.

It is an amenable number.

165075701113 is a deficient number, since it is larger than the sum of its proper divisors (42847275).

165075701113 is an equidigital number, since it uses as much as digits as its factorization.

165075701113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42847274.

The product of its (nonzero) digits is 22050, while the sum is 37.

The spelling of 165075701113 in words is "one hundred sixty-five billion, seventy-five million, seven hundred one thousand, one hundred thirteen".

Divisors: 1 3853 42843421 165075701113