Search a number
-
+
34230143421 = 3243671320149
BaseRepresentation
bin11111111000010001…
…101000100110111101
310021100120001110020200
4133320101220212331
51030100404042141
623420342434113
72321153263335
oct377021504675
9107316043220
1034230143421
1113576029431
126773732939
1332c6896146
14192a18a0c5
15d551aeab6
hex7f84689bd

34230143421 has 24 divisors (see below), whose sum is σ = 51348554400. Its totient is φ = 21956701536.

The previous prime is 34230143401. The next prime is 34230143491. The reversal of 34230143421 is 12434103243.

34230143421 is a `hidden beast` number, since 3 + 4 + 230 + 1 + 4 + 3 + 421 = 666.

It is not a de Polignac number, because 34230143421 - 27 = 34230143293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34230143401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634146 + ... + 686003.

It is an arithmetic number, because the mean of its divisors is an integer number (2139523100).

Almost surely, 234230143421 is an apocalyptic number.

It is an amenable number.

34230143421 is a deficient number, since it is larger than the sum of its proper divisors (17118410979).

34230143421 is a wasteful number, since it uses less digits than its factorization.

34230143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320265 (or 1320262 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 34230143421 its reverse (12434103243), we get a palindrome (46664246664).

The spelling of 34230143421 in words is "thirty-four billion, two hundred thirty million, one hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 3 9 43 67 129 201 387 603 2881 8643 25929 1320149 3960447 11881341 56766407 88449983 170299221 265349949 510897663 796049847 3803349269 11410047807 34230143421