Base | Representation |
---|---|
bin | 11100000011111110… |
… | …001111101111001111 |
3 | 2212202220120201212122 |
4 | 130003332033233033 |
5 | 443202120420421 |
6 | 21501524523155 |
7 | 2114453562602 |
oct | 340376175717 |
9 | 85686521778 |
10 | 30131420111 |
11 | 118624459a1 |
12 | 5a0ab504bb |
13 | 2ac268a090 |
14 | 165ba98339 |
15 | bb54382ab |
hex | 703f8fbcf |
30131420111 has 8 divisors (see below), whose sum is σ = 32451393744. Its totient is φ = 27811756800.
The previous prime is 30131420107. The next prime is 30131420131. The reversal of 30131420111 is 11102413103.
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 30131420111 - 22 = 30131420107 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30131420111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30131420131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148511 + ... + 286911.
It is an arithmetic number, because the mean of its divisors is an integer number (4056424218).
Almost surely, 230131420111 is an apocalyptic number.
30131420111 is a deficient number, since it is larger than the sum of its proper divisors (2319973633).
30131420111 is a wasteful number, since it uses less digits than its factorization.
30131420111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155161.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 30131420111 its reverse (11102413103), we get a palindrome (41233833214).
The spelling of 30131420111 in words is "thirty billion, one hundred thirty-one million, four hundred twenty thousand, one hundred eleven".
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