Base | Representation |
---|---|
bin | 10111100001101011… |
… | …11011101000111001 |
3 | 1012121020201011212221 |
4 | 23300311323220321 |
5 | 201331413314340 |
6 | 5445153404041 |
7 | 624666236242 |
oct | 136065735071 |
9 | 35536634787 |
10 | 12630604345 |
11 | 53a1712a97 |
12 | 2545b69621 |
13 | 12639b74a8 |
14 | 87b68dcc9 |
15 | 4ddcd644a |
hex | 2f0d7ba39 |
12630604345 has 8 divisors (see below), whose sum is σ = 15566366664. Its totient is φ = 9831389184.
The previous prime is 12630604339. The next prime is 12630604351. The reversal of 12630604345 is 54340603621.
It is an interprime number because it is at equal distance from previous prime (12630604339) and next prime (12630604351).
It can be written as a sum of positive squares in 4 ways, for example, as 7182393001 + 5448211344 = 84749^2 + 73812^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12630604345 - 229 = 12093733433 is a prime.
It is a super-2 number, since 2×126306043452 (a number of 21 digits) contains 22 as substring.
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 12630604345.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34136584 + ... + 34136953.
It is an arithmetic number, because the mean of its divisors is an integer number (1945795833).
Almost surely, 212630604345 is an apocalyptic number.
It is an amenable number.
12630604345 is a deficient number, since it is larger than the sum of its proper divisors (2935762319).
12630604345 is an equidigital number, since it uses as much as digits as its factorization.
12630604345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68273579.
The product of its (nonzero) digits is 51840, while the sum is 34.
The spelling of 12630604345 in words is "twelve billion, six hundred thirty million, six hundred four thousand, three hundred forty-five".
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