Base | Representation |
---|---|
bin | 10111101100111111… |
… | …00101011010001111 |
3 | 1012211212002210000010 |
4 | 23312133211122033 |
5 | 202030201100143 |
6 | 5502421404303 |
7 | 630230124006 |
oct | 136637453217 |
9 | 35755083003 |
10 | 12725409423 |
11 | 54401864a1 |
12 | 2571869693 |
13 | 127a52c57c |
14 | 88a0cbc3d |
15 | 4e72b1a33 |
hex | 2f67e568f |
12725409423 has 8 divisors (see below), whose sum is σ = 16969049008. Its totient is φ = 8482688064.
The previous prime is 12725409407. The next prime is 12725409451. The reversal of 12725409423 is 32490452721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12725409423 - 24 = 12725409407 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 (12725409493) 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, 196540 + ... + 253137.
It is an arithmetic number, because the mean of its divisors is an integer number (2121131126).
Almost surely, 212725409423 is an apocalyptic number.
12725409423 is a deficient number, since it is larger than the sum of its proper divisors (4243639585).
12725409423 is an equidigital number, since it uses as much as digits as its factorization.
12725409423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459113.
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 12725409423 in words is "twelve billion, seven hundred twenty-five million, four hundred nine thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.116 sec. • engine limits •