Base | Representation |
---|---|
bin | 10111001011110110… |
… | …10100100000001010 |
3 | 1012010111002212101221 |
4 | 23211323110200022 |
5 | 200443022430110 |
6 | 5415052232254 |
7 | 620313504541 |
oct | 134573244012 |
9 | 35114085357 |
10 | 12447467530 |
11 | 53082a8653 |
12 | 24b476b68a |
13 | 1234a85904 |
14 | 86121b158 |
15 | 4ccbad7da |
hex | 2e5ed480a |
12447467530 has 16 divisors (see below), whose sum is σ = 23584675680. Its totient is φ = 4716934992.
The previous prime is 12447467521. The next prime is 12447467531. The reversal of 12447467530 is 3576474421.
It is not an unprimeable number, because it can be changed into a prime (12447467531) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32756304 + ... + 32756683.
It is an arithmetic number, because the mean of its divisors is an integer number (1474042230).
Almost surely, 212447467530 is an apocalyptic number.
12447467530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12447467530 is a deficient number, since it is larger than the sum of its proper divisors (11137208150).
12447467530 is a wasteful number, since it uses less digits than its factorization.
12447467530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65513013.
The product of its (nonzero) digits is 564480, while the sum is 43.
The spelling of 12447467530 in words is "twelve billion, four hundred forty-seven million, four hundred sixty-seven thousand, five hundred thirty".
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