Base | Representation |
---|---|
bin | 10111001101111010… |
… | …11001110100000001 |
3 | 1012011200200222102222 |
4 | 23212331121310001 |
5 | 201011441301120 |
6 | 5420511420425 |
7 | 620613654626 |
oct | 134675316401 |
9 | 35150628388 |
10 | 12464790785 |
11 | 531705a897 |
12 | 24ba524715 |
13 | 123853c865 |
14 | 86364a34d |
15 | 4ce481525 |
hex | 2e6f59d01 |
12464790785 has 8 divisors (see below), whose sum is σ = 14966785896. Its totient is φ = 9965808000.
The previous prime is 12464790773. The next prime is 12464790787. The reversal of 12464790785 is 58709746421.
It can be written as a sum of positive squares in 4 ways, for example, as 2426153536 + 10038637249 = 49256^2 + 100193^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12464790785 - 220 = 12463742209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12464790787) 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, 743966 + ... + 760535.
It is an arithmetic number, because the mean of its divisors is an integer number (1870848237).
Almost surely, 212464790785 is an apocalyptic number.
It is an amenable number.
12464790785 is a deficient number, since it is larger than the sum of its proper divisors (2501995111).
12464790785 is a wasteful number, since it uses less digits than its factorization.
12464790785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1506163.
The product of its (nonzero) digits is 3386880, while the sum is 53.
The spelling of 12464790785 in words is "twelve billion, four hundred sixty-four million, seven hundred ninety thousand, seven hundred eighty-five".
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