Base | Representation |
---|---|
bin | 10110110111110010… |
… | …11101111100011101 |
3 | 1011200202111111010120 |
4 | 23123321131330131 |
5 | 200121434203012 |
6 | 5350242025153 |
7 | 613201363233 |
oct | 133371357435 |
9 | 34622444116 |
10 | 12279209757 |
11 | 5231326041 |
12 | 24683481b9 |
13 | 1208c635b9 |
14 | 846b3c953 |
15 | 4bd02458c |
hex | 2dbe5df1d |
12279209757 has 8 divisors (see below), whose sum is σ = 16501195776. Its totient is φ = 8121681792.
The previous prime is 12279209753. The next prime is 12279209827. The reversal of 12279209757 is 75790297221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12279209757 - 22 = 12279209753 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12279209753) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16114068 + ... + 16114829.
It is an arithmetic number, because the mean of its divisors is an integer number (2062649472).
Almost surely, 212279209757 is an apocalyptic number.
It is an amenable number.
12279209757 is a deficient number, since it is larger than the sum of its proper divisors (4221986019).
12279209757 is a wasteful number, since it uses less digits than its factorization.
12279209757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32229027.
The product of its (nonzero) digits is 1111320, while the sum is 51.
The spelling of 12279209757 in words is "twelve billion, two hundred seventy-nine million, two hundred nine thousand, seven hundred fifty-seven".
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