Base | Representation |
---|---|
bin | 10111101100111000… |
… | …00000001011001001 |
3 | 1012211210100002000012 |
4 | 23312130000023021 |
5 | 202024431023343 |
6 | 5502345321305 |
7 | 630216133361 |
oct | 136634001311 |
9 | 35753302005 |
10 | 12724470473 |
11 | 543a6a5000 |
12 | 2571496235 |
13 | 127a291090 |
14 | 889d259a1 |
15 | 4e7178718 |
hex | 2f67002c9 |
12724470473 has 16 divisors (see below), whose sum is σ = 15072594432. Its totient is φ = 10677862800.
The previous prime is 12724470461. The next prime is 12724470509. The reversal of 12724470473 is 37407442721.
It is not a de Polignac number, because 12724470473 - 210 = 12724469449 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12724470473.
It is not an unprimeable number, because it can be changed into a prime (12724470973) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350393 + ... + 384998.
It is an arithmetic number, because the mean of its divisors is an integer number (942037152).
Almost surely, 212724470473 is an apocalyptic number.
12724470473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12724470473 is a deficient number, since it is larger than the sum of its proper divisors (2348123959).
12724470473 is an equidigital number, since it uses as much as digits as its factorization.
12724470473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 735437 (or 735415 counting only the distinct ones).
The product of its (nonzero) digits is 263424, while the sum is 41.
The spelling of 12724470473 in words is "twelve billion, seven hundred twenty-four million, four hundred seventy thousand, four hundred seventy-three".
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