Base | Representation |
---|---|
bin | 11100000101111011… |
… | …010101111010110110 |
3 | 2212212012021210212000 |
4 | 130011323111322312 |
5 | 443234014312210 |
6 | 21505055440130 |
7 | 2115332404131 |
oct | 340573257266 |
9 | 85765253760 |
10 | 30164213430 |
11 | 11879a0400a |
12 | 5a19b26046 |
13 | 2ac93cc600 |
14 | 1662193218 |
15 | bb8264ac0 |
hex | 705ed5eb6 |
30164213430 has 96 divisors (see below), whose sum is σ = 87101529120. Its totient is φ = 7425025920.
The previous prime is 30164213393. The next prime is 30164213437. The reversal of 30164213430 is 3431246103.
30164213430 is a `hidden beast` number, since 3 + 0 + 1 + 642 + 13 + 4 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30164213394 and 30164213403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30164213437) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284901 + ... + 376160.
It is an arithmetic number, because the mean of its divisors is an integer number (907307595).
Almost surely, 230164213430 is an apocalyptic number.
30164213430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30164213430 is an abundant number, since it is smaller than the sum of its proper divisors (56937315690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30164213430 is a wasteful number, since it uses less digits than its factorization.
30164213430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661103 (or 661084 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 30164213430 its reverse (3431246103), we get a palindrome (33595459533).
The spelling of 30164213430 in words is "thirty billion, one hundred sixty-four million, two hundred thirteen thousand, four hundred thirty".
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