Search a number
-
+
38775291379 = 113525026489
BaseRepresentation
bin100100000111001011…
…111111110111110011
310201002022112220002221
4210013023333313303
51113402433311004
625451345021511
72541613352506
oct440713776763
9121068486087
1038775291379
1115498706360
127621924897
13386c4196c6
141c3ba8913d
15101e21a354
hex9072ffdf3

38775291379 has 4 divisors (see below), whose sum is σ = 42300317880. Its totient is φ = 35250264880.

The previous prime is 38775291311. The next prime is 38775291389. The reversal of 38775291379 is 97319257783.

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

It is a cyclic number.

It is not a de Polignac number, because 38775291379 - 219 = 38774767091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38775291389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762513234 + ... + 1762513255.

It is an arithmetic number, because the mean of its divisors is an integer number (10575079470).

Almost surely, 238775291379 is an apocalyptic number.

38775291379 is a deficient number, since it is larger than the sum of its proper divisors (3525026501).

38775291379 is a wasteful number, since it uses less digits than its factorization.

38775291379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525026500.

The product of its digits is 20003760, while the sum is 61.

The spelling of 38775291379 in words is "thirty-eight billion, seven hundred seventy-five million, two hundred ninety-one thousand, three hundred seventy-nine".

Divisors: 1 11 3525026489 38775291379