Base | Representation |
---|---|
bin | 11100001000110010… |
… | …000111000111101101 |
3 | 2212222112102222101201 |
4 | 130020302013013231 |
5 | 443333301001130 |
6 | 21513530405501 |
7 | 2116453553365 |
oct | 341062070755 |
9 | 85875388351 |
10 | 30212125165 |
11 | 118a3a58892 |
12 | 5a31b90891 |
13 | 2b06306351 |
14 | 16686a59a5 |
15 | bbc57abca |
hex | 708c871ed |
30212125165 has 8 divisors (see below), whose sum is σ = 36264480480. Its totient is φ = 24163079952.
The previous prime is 30212125091. The next prime is 30212125183. The reversal of 30212125165 is 56152121203.
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 30212125165 - 29 = 30212124653 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 807399 + ... + 843988.
It is an arithmetic number, because the mean of its divisors is an integer number (4533060060).
Almost surely, 230212125165 is an apocalyptic number.
It is an amenable number.
30212125165 is a deficient number, since it is larger than the sum of its proper divisors (6052355315).
30212125165 is a wasteful number, since it uses less digits than its factorization.
30212125165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1655051.
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 30212125165 its reverse (56152121203), we get a palindrome (86364246368).
The spelling of 30212125165 in words is "thirty billion, two hundred twelve million, one hundred twenty-five thousand, one hundred sixty-five".
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