Base | Representation |
---|---|
bin | 11100000010110000… |
… | …110001011101010101 |
3 | 2212201111100221000020 |
4 | 130002300301131111 |
5 | 443131421022442 |
6 | 21455521335353 |
7 | 2114116135422 |
oct | 340260613525 |
9 | 85644327006 |
10 | 30111110997 |
11 | 11851a34400 |
12 | 5a04197559 |
13 | 2abb3c9056 |
14 | 16590ccd49 |
15 | bb37759ec |
hex | 702c31755 |
30111110997 has 24 divisors (see below), whose sum is σ = 46048481472. Its totient is φ = 17455711680.
The previous prime is 30111110993. The next prime is 30111111049. The reversal of 30111110997 is 79901111103.
It is not a de Polignac number, because 30111110997 - 22 = 30111110993 is a prime.
It is a super-3 number, since 3×301111109973 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30111110993) 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, 1794928 + ... + 1811625.
It is an arithmetic number, because the mean of its divisors is an integer number (1918686728).
Almost surely, 230111110997 is an apocalyptic number.
It is an amenable number.
30111110997 is a deficient number, since it is larger than the sum of its proper divisors (15937370475).
30111110997 is a wasteful number, since it uses less digits than its factorization.
30111110997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3606601 (or 3606590 counting only the distinct ones).
The product of its (nonzero) digits is 1701, while the sum is 33.
The spelling of 30111110997 in words is "thirty billion, one hundred eleven million, one hundred ten thousand, nine hundred ninety-seven".
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