Base | Representation |
---|---|
bin | 10110101111010000… |
… | …11000110110000101 |
3 | 1011111202210112022211 |
4 | 23113220120312011 |
5 | 200000122423212 |
6 | 5335203423421 |
7 | 611342042143 |
oct | 132750306605 |
9 | 34452715284 |
10 | 12207623557 |
11 | 51a4981298 |
12 | 2448384b71 |
13 | 11c718aabc |
14 | 83b426593 |
15 | 4b6ad39a7 |
hex | 2d7a18d85 |
12207623557 has 8 divisors (see below), whose sum is σ = 12895542560. Its totient is φ = 11524245840.
The previous prime is 12207623531. The next prime is 12207623563. The reversal of 12207623557 is 75532670221.
12207623557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 12207623557 - 27 = 12207623429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12207623567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129794 + ... + 1140547.
It is an arithmetic number, because the mean of its divisors is an integer number (1611942820).
Almost surely, 212207623557 is an apocalyptic number.
It is an amenable number.
12207623557 is a deficient number, since it is larger than the sum of its proper divisors (687919003).
12207623557 is a wasteful number, since it uses less digits than its factorization.
12207623557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2270643.
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 12207623557 in words is "twelve billion, two hundred seven million, six hundred twenty-three thousand, five hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •