Base | Representation |
---|---|
bin | 11100000011010011… |
… | …000100000111001111 |
3 | 2212202010021122000111 |
4 | 130003103010013033 |
5 | 443141221202203 |
6 | 21500442140451 |
7 | 2114255425336 |
oct | 340323040717 |
9 | 85663248014 |
10 | 30120100303 |
11 | 11857014187 |
12 | 5a071b1727 |
13 | 2ac0225877 |
14 | 165a38cd1d |
15 | bb444e26d |
hex | 7034c41cf |
30120100303 has 4 divisors (see below), whose sum is σ = 31705368760. Its totient is φ = 28534831848.
The previous prime is 30120100279. The next prime is 30120100331. The reversal of 30120100303 is 30300102103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30300102103 = 29 ⋅1044831107.
It is a cyclic number.
It is not a de Polignac number, because 30120100303 - 229 = 29583229391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120100603) 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, 792634200 + ... + 792634237.
It is an arithmetic number, because the mean of its divisors is an integer number (7926342190).
Almost surely, 230120100303 is an apocalyptic number.
30120100303 is a deficient number, since it is larger than the sum of its proper divisors (1585268457).
30120100303 is a wasteful number, since it uses less digits than its factorization.
30120100303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1585268456.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30120100303 its reverse (30300102103), we get a palindrome (60420202406).
The spelling of 30120100303 in words is "thirty billion, one hundred twenty million, one hundred thousand, three hundred three".
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