Base | Representation |
---|---|
bin | 1101101100000111101000… |
… | …10101111110001111001101 |
3 | 10221120211200212112211020001 |
4 | 12312003310111332033031 |
5 | 12421202403413223041 |
6 | 144005122200524301 |
7 | 6224613051612442 |
oct | 666036425761715 |
9 | 127524625484201 |
10 | 30103230211021 |
11 | 9656787734540 |
12 | 346225aa80691 |
13 | 13a4951237556 |
14 | 76100b41b9c9 |
15 | 3730c28cd131 |
hex | 1b60f457e3cd |
30103230211021 has 16 divisors (see below), whose sum is σ = 34216054069248. Its totient is φ = 26236268247600.
The previous prime is 30103230210973. The next prime is 30103230211039. The reversal of 30103230211021 is 12011203230103.
It is a cyclic number.
It is not a de Polignac number, because 30103230211021 - 239 = 29553474397133 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 30103230211021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30103230511021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412483455 + ... + 412556428.
It is an arithmetic number, because the mean of its divisors is an integer number (2138503379328).
Almost surely, 230103230211021 is an apocalyptic number.
30103230211021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30103230211021 is a deficient number, since it is larger than the sum of its proper divisors (4112823858227).
30103230211021 is a wasteful number, since it uses less digits than its factorization.
30103230211021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 825040032.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30103230211021 its reverse (12011203230103), we get a palindrome (42114433441124).
The spelling of 30103230211021 in words is "thirty trillion, one hundred three billion, two hundred thirty million, two hundred eleven thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •