Base | Representation |
---|---|
bin | 10111101101000001… |
… | …00000110110010101 |
3 | 1012211212120010222020 |
4 | 23312200200312111 |
5 | 202030231343020 |
6 | 5502430523353 |
7 | 630232156551 |
oct | 136640406625 |
9 | 35755503866 |
10 | 12725652885 |
11 | 5440332400 |
12 | 2571966559 |
13 | 127a5b632a |
14 | 88a152861 |
15 | 4e730dc40 |
hex | 2f6820d95 |
12725652885 has 24 divisors (see below), whose sum is σ = 22380324960. Its totient is φ = 6170012640.
The previous prime is 12725652869. The next prime is 12725652913. The reversal of 12725652885 is 58825652721.
It is a happy number.
It is not a de Polignac number, because 12725652885 - 24 = 12725652869 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3503875 + ... + 3507504.
It is an arithmetic number, because the mean of its divisors is an integer number (932513540).
Almost surely, 212725652885 is an apocalyptic number.
12725652885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12725652885 is a deficient number, since it is larger than the sum of its proper divisors (9654672075).
12725652885 is a wasteful number, since it uses less digits than its factorization.
12725652885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7011409 (or 7011398 counting only the distinct ones).
The product of its digits is 2688000, while the sum is 51.
The spelling of 12725652885 in words is "twelve billion, seven hundred twenty-five million, six hundred fifty-two thousand, eight hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •