Base | Representation |
---|---|
bin | 10111001110100011… |
… | …01100111111010001 |
3 | 1012012001201100001202 |
4 | 23213101230333101 |
5 | 201014322042314 |
6 | 5421221440545 |
7 | 621010130162 |
oct | 134721547721 |
9 | 35161640052 |
10 | 12470112209 |
11 | 531a064965 |
12 | 2500270155 |
13 | 1239683a29 |
14 | 864233769 |
15 | 4ceb830de |
hex | 2e746cfd1 |
12470112209 has 8 divisors (see below), whose sum is σ = 12680224128. Its totient is φ = 12260183760.
The previous prime is 12470112203. The next prime is 12470112211. The reversal of 12470112209 is 90221107421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12470112209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12470112203) 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, 94814 + ... + 184200.
It is an arithmetic number, because the mean of its divisors is an integer number (1585028016).
Almost surely, 212470112209 is an apocalyptic number.
It is an amenable number.
12470112209 is a deficient number, since it is larger than the sum of its proper divisors (210111919).
12470112209 is an equidigital number, since it uses as much as digits as its factorization.
12470112209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91735.
The product of its (nonzero) digits is 2016, while the sum is 29.
The spelling of 12470112209 in words is "twelve billion, four hundred seventy million, one hundred twelve thousand, two hundred nine".
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