Search a number
-
+
384320161923 = 3971131932771
BaseRepresentation
bin1011001011110110100…
…01000100100010000011
31100201222221012001210020
411211323101010202003
522244041430140143
6452315414504523
736523545322245
oct5457321044203
91321887161706
10384320161923
11138a97791a35
1262598065143
132a319cc1c49
141485b972095
159ee5095883
hex597b444883

384320161923 has 8 divisors (see below), whose sum is σ = 512954617536. Its totient is φ = 255949573800.

The previous prime is 384320161921. The next prime is 384320161943. The reversal of 384320161923 is 329161023483.

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

It is not a de Polignac number, because 384320161923 - 21 = 384320161921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384320161921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65963473 + ... + 65969298.

It is an arithmetic number, because the mean of its divisors is an integer number (64119327192).

Almost surely, 2384320161923 is an apocalyptic number.

384320161923 is a deficient number, since it is larger than the sum of its proper divisors (128634455613).

384320161923 is a wasteful number, since it uses less digits than its factorization.

384320161923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131933745.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 384320161923 in words is "three hundred eighty-four billion, three hundred twenty million, one hundred sixty-one thousand, nine hundred twenty-three".

Divisors: 1 3 971 2913 131932771 395798313 128106720641 384320161923