Search a number
-
+
38056073161 = 1913914409721
BaseRepresentation
bin100011011100010100…
…011001011111001001
310122020012012211012011
4203130110121133021
51110414323320121
625252133415521
72515031166421
oct433424313711
9118205184164
1038056073161
1115159730037
127460a9a5a1
13378640b9b2
141bb034b481
15ecaeed7e1
hex8dc5197c9

38056073161 has 8 divisors (see below), whose sum is σ = 40347221600. Its totient is φ = 35793744480.

The previous prime is 38056073141. The next prime is 38056073189. The reversal of 38056073161 is 16137065083.

It is a happy number.

38056073161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38056073161 - 235 = 3696334793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38056073141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7202220 + ... + 7207501.

It is an arithmetic number, because the mean of its divisors is an integer number (5043402700).

Almost surely, 238056073161 is an apocalyptic number.

It is an amenable number.

38056073161 is a deficient number, since it is larger than the sum of its proper divisors (2291148439).

38056073161 is a wasteful number, since it uses less digits than its factorization.

38056073161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409879.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 38056073161 in words is "thirty-eight billion, fifty-six million, seventy-three thousand, one hundred sixty-one".

Divisors: 1 19 139 2641 14409721 273784699 2002951219 38056073161