Search a number
-
+
231004321444004 = 2257751080361001
BaseRepresentation
bin110100100001100011100010…
…100001010111000010100100
31010021220210112100022100021012
4310201203202201113002210
5220234233322242202004
62135145530434441352
766441340301311133
oct6441434241270244
91107823470270235
10231004321444004
1167672423204119
1221aaa227a33258
139bb87ca083904
14410895132391a
151ba8e44b9c46e
hexd218e28570a4

231004321444004 has 6 divisors (see below), whose sum is σ = 404257562527014. Its totient is φ = 115502160722000.

The previous prime is 231004321444003. The next prime is 231004321444051. The reversal of 231004321444004 is 400444123400132.

It can be written as a sum of positive squares in only one way, i.e., 229834999296100 + 1169322147904 = 15160310^2 + 1081352^2 .

It is not an unprimeable number, because it can be changed into a prime (231004321444003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28875540180497 + ... + 28875540180504.

It is an arithmetic number, because the mean of its divisors is an integer number (67376260421169).

Almost surely, 2231004321444004 is an apocalyptic number.

It is an amenable number.

231004321444004 is a deficient number, since it is larger than the sum of its proper divisors (173253241083010).

231004321444004 is a wasteful number, since it uses less digits than its factorization.

231004321444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57751080361005 (or 57751080361003 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 231004321444004 its reverse (400444123400132), we get a palindrome (631448444844136).

The spelling of 231004321444004 in words is "two hundred thirty-one trillion, four billion, three hundred twenty-one million, four hundred forty-four thousand, four".

Divisors: 1 2 4 57751080361001 115502160722002 231004321444004