Base | Representation |
---|---|
bin | 11100001010101000… |
… | …101001110001101001 |
3 | 2220001200220202012102 |
4 | 130022220221301221 |
5 | 443414224400410 |
6 | 21521000423145 |
7 | 2120311650026 |
oct | 341250516151 |
9 | 86050822172 |
10 | 30243200105 |
11 | 1190a552958 |
12 | 5a40477ab5 |
13 | 2b0c8966a1 |
14 | 166c87454d |
15 | bc01682a5 |
hex | 70aa29c69 |
30243200105 has 16 divisors (see below), whose sum is σ = 37142449344. Its totient is φ = 23627688000.
The previous prime is 30243200047. The next prime is 30243200123. The reversal of 30243200105 is 50100234203.
It is a happy number.
It is not a de Polignac number, because 30243200105 - 26 = 30243200041 is a prime.
It is a super-2 number, since 2×302432001052 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819442 + ... + 1835988.
It is an arithmetic number, because the mean of its divisors is an integer number (2321403084).
Almost surely, 230243200105 is an apocalyptic number.
It is an amenable number.
30243200105 is a deficient number, since it is larger than the sum of its proper divisors (6899249239).
30243200105 is a wasteful number, since it uses less digits than its factorization.
30243200105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25096.
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 30243200105 its reverse (50100234203), we get a palindrome (80343434308).
The spelling of 30243200105 in words is "thirty billion, two hundred forty-three million, two hundred thousand, one hundred five".
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