Base | Representation |
---|---|
bin | 11011111101011001… |
… | …000111001001111101 |
3 | 2212111012211221121001 |
4 | 123331121013021331 |
5 | 442440340203313 |
6 | 21442542410301 |
7 | 2111643323311 |
oct | 337531071175 |
9 | 85435757531 |
10 | 30021022333 |
11 | 118060a2465 |
12 | 5999b90991 |
13 | 2aa5845953 |
14 | 164b15bb41 |
15 | baa8ccadd |
hex | 6fd64727d |
30021022333 has 32 divisors (see below), whose sum is σ = 32495961600. Its totient is φ = 27648444096.
The previous prime is 30021022331. The next prime is 30021022351. The reversal of 30021022333 is 33322012003.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30021022333 - 21 = 30021022331 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
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 30021022333.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021022331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54882766 + ... + 54883312.
It is an arithmetic number, because the mean of its divisors is an integer number (1015498800).
Almost surely, 230021022333 is an apocalyptic number.
It is an amenable number.
30021022333 is a deficient number, since it is larger than the sum of its proper divisors (2474939267).
30021022333 is a wasteful number, since it uses less digits than its factorization.
30021022333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1081.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30021022333 its reverse (33322012003), we get a palindrome (63343034336).
The spelling of 30021022333 in words is "thirty billion, twenty-one million, twenty-two thousand, three hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •