Base | Representation |
---|---|
bin | 11000000000001110… |
… | …11111001100001011 |
3 | 1020021002220112221101 |
4 | 30000013133030023 |
5 | 202343014132101 |
6 | 5530430122231 |
7 | 634230353653 |
oct | 140007371413 |
9 | 36232815841 |
10 | 12886864651 |
11 | 5513332171 |
12 | 25b7950377 |
13 | 12a4b0c4cb |
14 | 8a3719363 |
15 | 506555401 |
hex | 3001df30b |
12886864651 has 8 divisors (see below), whose sum is σ = 13052127680. Its totient is φ = 12721655232.
The previous prime is 12886864583. The next prime is 12886864657. The reversal of 12886864651 is 15646868821.
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 12886864651 - 213 = 12886856459 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12886864592 and 12886864601.
It is not an unprimeable number, because it can be changed into a prime (12886864657) 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, 736561 + ... + 753853.
It is an arithmetic number, because the mean of its divisors is an integer number (1631515960).
Almost surely, 212886864651 is an apocalyptic number.
12886864651 is a deficient number, since it is larger than the sum of its proper divisors (165263029).
12886864651 is an equidigital number, since it uses as much as digits as its factorization.
12886864651 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26805.
The product of its digits is 4423680, while the sum is 55.
The spelling of 12886864651 in words is "twelve billion, eight hundred eighty-six million, eight hundred sixty-four thousand, six hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •