Base | Representation |
---|---|
bin | 11100001011001111… |
… | …011010110111100100 |
3 | 2220002102001001121100 |
4 | 130023033122313210 |
5 | 443424330101120 |
6 | 21522002320100 |
7 | 2120464224333 |
oct | 341317326744 |
9 | 86072031540 |
10 | 30253362660 |
11 | 11915264164 |
12 | 5a43959030 |
13 | 2b11a14231 |
14 | 166dd5bd1a |
15 | bc0ec4490 |
hex | 70b3dade4 |
30253362660 has 36 divisors (see below), whose sum is σ = 91768533948. Its totient is φ = 8067563328.
The previous prime is 30253362653. The next prime is 30253362719. The reversal of 30253362660 is 6626335203.
30253362660 is a `hidden beast` number, since 3 + 0 + 2 + 533 + 62 + 6 + 60 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 15789932964 + 14463429696 = 125658^2 + 120264^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84036939 + ... + 84037298.
It is an arithmetic number, because the mean of its divisors is an integer number (2549125943).
Almost surely, 230253362660 is an apocalyptic number.
30253362660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30253362660 is an abundant number, since it is smaller than the sum of its proper divisors (61515171288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30253362660 is a wasteful number, since it uses less digits than its factorization.
30253362660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168074252 (or 168074247 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 36.
Adding to 30253362660 its reverse (6626335203), we get a palindrome (36879697863).
The spelling of 30253362660 in words is "thirty billion, two hundred fifty-three million, three hundred sixty-two thousand, six hundred sixty".
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