Base | Representation |
---|---|
bin | 10111001110010010… |
… | …10010001110100010 |
3 | 1012011220120012221122 |
4 | 23213021102032202 |
5 | 201013240433232 |
6 | 5421102252242 |
7 | 620652306356 |
oct | 134711221642 |
9 | 35156505848 |
10 | 12467905442 |
11 | 5318897993 |
12 | 24bb587082 |
13 | 1239090455 |
14 | 863c1b466 |
15 | 4ce899312 |
hex | 2e72523a2 |
12467905442 has 8 divisors (see below), whose sum is σ = 18965264832. Its totient is φ = 6146150500.
The previous prime is 12467905441. The next prime is 12467905459. The reversal of 12467905442 is 24450976421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×124679054422 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12467905393 and 12467905402.
It is not an unprimeable number, because it can be changed into a prime (12467905441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43900934 + ... + 43901217.
It is an arithmetic number, because the mean of its divisors is an integer number (2370658104).
Almost surely, 212467905442 is an apocalyptic number.
12467905442 is a deficient number, since it is larger than the sum of its proper divisors (6497359390).
12467905442 is an equidigital number, since it uses as much as digits as its factorization.
12467905442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87802224.
The product of its (nonzero) digits is 483840, while the sum is 44.
The spelling of 12467905442 in words is "twelve billion, four hundred sixty-seven million, nine hundred five thousand, four hundred forty-two".
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