Base | Representation |
---|---|
bin | 11100000010110001… |
… | …001100000111101001 |
3 | 2212201111120110210211 |
4 | 130002301030013221 |
5 | 443131433021301 |
6 | 21455523541121 |
7 | 2114120101666 |
oct | 340261140751 |
9 | 85644513724 |
10 | 30111220201 |
11 | 11851aa9457 |
12 | 5a0422a7a1 |
13 | 2abb43697a |
14 | 165911aa6d |
15 | bb3798051 |
hex | 702c4c1e9 |
30111220201 has 8 divisors (see below), whose sum is σ = 31471675200. Its totient is φ = 28755037872.
The previous prime is 30111220189. The next prime is 30111220241. The reversal of 30111220201 is 10202211103.
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 30111220201 - 215 = 30111187433 is a prime.
It is a super-2 number, since 2×301112202012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30111220241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053751 + ... + 1081948.
It is an arithmetic number, because the mean of its divisors is an integer number (3933959400).
Almost surely, 230111220201 is an apocalyptic number.
It is an amenable number.
30111220201 is a deficient number, since it is larger than the sum of its proper divisors (1360454999).
30111220201 is a wasteful number, since it uses less digits than its factorization.
30111220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2136335.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30111220201 its reverse (10202211103), we get a palindrome (40313431304).
The spelling of 30111220201 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, two hundred one".
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