Base | Representation |
---|---|
bin | 11111111000010001… |
… | …101000100110111101 |
3 | 10021100120001110020200 |
4 | 133320101220212331 |
5 | 1030100404042141 |
6 | 23420342434113 |
7 | 2321153263335 |
oct | 377021504675 |
9 | 107316043220 |
10 | 34230143421 |
11 | 13576029431 |
12 | 6773732939 |
13 | 32c6896146 |
14 | 192a18a0c5 |
15 | d551aeab6 |
hex | 7f84689bd |
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".
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