Base | Representation |
---|---|
bin | 11100000010101101… |
… | …010111111011011001 |
3 | 2212201102200122210002 |
4 | 130002231113323121 |
5 | 443131204014433 |
6 | 21455450302345 |
7 | 2114105434640 |
oct | 340255277331 |
9 | 85642618702 |
10 | 30110219993 |
11 | 11851485a37 |
12 | 5a03a279b5 |
13 | 2abb176629 |
14 | 1658d3a357 |
15 | bb364b9e8 |
hex | 702b57ed9 |
30110219993 has 4 divisors (see below), whose sum is σ = 34411680000. Its totient is φ = 25808759988.
The previous prime is 30110219947. The next prime is 30110220001. The reversal of 30110219993 is 39991201103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39991201103 = 7 ⋅5713028729.
It is a cyclic number.
It is not a de Polignac number, because 30110219993 - 218 = 30109957849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30110219903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150729993 + ... + 2150730006.
It is an arithmetic number, because the mean of its divisors is an integer number (8602920000).
Almost surely, 230110219993 is an apocalyptic number.
It is an amenable number.
30110219993 is a deficient number, since it is larger than the sum of its proper divisors (4301460007).
30110219993 is an equidigital number, since it uses as much as digits as its factorization.
30110219993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4301460006.
The product of its (nonzero) digits is 13122, while the sum is 38.
The spelling of 30110219993 in words is "thirty billion, one hundred ten million, two hundred nineteen thousand, nine hundred ninety-three".
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