Base | Representation |
---|---|
bin | 11100001010100101… |
… | …011000101001100000 |
3 | 2220001122022020012001 |
4 | 130022211120221200 |
5 | 443414014443040 |
6 | 21520530213344 |
7 | 2120301451504 |
oct | 341245305140 |
9 | 86048266161 |
10 | 30242343520 |
11 | 1190a018334 |
12 | 5a40124254 |
13 | 2b0c65682c |
14 | 166c6d0304 |
15 | bc004959a |
hex | 70a958a60 |
30242343520 has 24 divisors (see below), whose sum is σ = 71447536944. Its totient is φ = 12096937344.
The previous prime is 30242343473. The next prime is 30242343559. The reversal of 30242343520 is 2534324203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94507164 + ... + 94507483.
It is an arithmetic number, because the mean of its divisors is an integer number (2976980706).
Almost surely, 230242343520 is an apocalyptic number.
It is an amenable number.
30242343520 is an abundant number, since it is smaller than the sum of its proper divisors (41205193424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30242343520 is a wasteful number, since it uses less digits than its factorization.
30242343520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189014662 (or 189014654 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 28.
Adding to 30242343520 its reverse (2534324203), we get a palindrome (32776667723).
The spelling of 30242343520 in words is "thirty billion, two hundred forty-two million, three hundred forty-three thousand, five hundred twenty".
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