Base | Representation |
---|---|
bin | 11100001110101111… |
… | …111100111000001111 |
3 | 2220020111210102202011 |
4 | 130032233330320033 |
5 | 444034412102343 |
6 | 21531504042051 |
7 | 2122110431503 |
oct | 341657747017 |
9 | 86214712664 |
10 | 30312222223 |
11 | 11945506228 |
12 | 5a5b603327 |
13 | 2b20c8208a |
14 | 1677ac0303 |
15 | bc624e29d |
hex | 70ebfce0f |
30312222223 has 8 divisors (see below), whose sum is σ = 31936977920. Its totient is φ = 28690404120.
The previous prime is 30312222211. The next prime is 30312222293. The reversal of 30312222223 is 32222221303.
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 30312222223 - 221 = 30310125071 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30312222194 and 30312222203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30312222293) 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, 713193 + ... + 754498.
It is an arithmetic number, because the mean of its divisors is an integer number (3992122240).
Almost surely, 230312222223 is an apocalyptic number.
30312222223 is a deficient number, since it is larger than the sum of its proper divisors (1624755697).
30312222223 is a wasteful number, since it uses less digits than its factorization.
30312222223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1468797.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30312222223 its reverse (32222221303), we get a palindrome (62534443526).
The spelling of 30312222223 in words is "thirty billion, three hundred twelve million, two hundred twenty-two thousand, two hundred twenty-three".
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