Base | Representation |
---|---|
bin | 11100001011010111… |
… | …001101110110000000 |
3 | 2220002112212220011210 |
4 | 130023113031312000 |
5 | 443430341001324 |
6 | 21522114210120 |
7 | 2120520466053 |
oct | 341327156600 |
9 | 86075786153 |
10 | 30255406464 |
11 | 1191642a758 |
12 | 5a44583940 |
13 | 2b1227b59a |
14 | 1670330a9a |
15 | bc1279d29 |
hex | 70b5cdd80 |
30255406464 has 64 divisors (see below), whose sum is σ = 85093349040. Its totient is φ = 9491890176.
The previous prime is 30255406459. The next prime is 30255406487. The reversal of 30255406464 is 46460455203.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310829 + ... + 2323884.
Almost surely, 230255406464 is an apocalyptic number.
30255406464 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30255406464 is an abundant number, since it is smaller than the sum of its proper divisors (54837942576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30255406464 is a wasteful number, since it uses less digits than its factorization.
30255406464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4634747 (or 4634735 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 39.
The spelling of 30255406464 in words is "thirty billion, two hundred fifty-five million, four hundred six thousand, four hundred sixty-four".
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