Base | Representation |
---|---|
bin | 10111100111101000… |
… | …00110011000101110 |
3 | 1012201201111220010101 |
4 | 23303310012120232 |
5 | 201432144040401 |
6 | 5454134101314 |
7 | 626143044451 |
oct | 136364063056 |
9 | 35651456111 |
10 | 12680455726 |
11 | 5417872084 |
12 | 255a7aa83a |
13 | 1271120053 |
14 | 884149498 |
15 | 4e3382101 |
hex | 2f3d0662e |
12680455726 has 16 divisors (see below), whose sum is σ = 20532074400. Its totient is φ = 5855442208.
The previous prime is 12680455721. The next prime is 12680455789. The reversal of 12680455726 is 62755408621.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12680455721) 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, 4751461 + ... + 4754128.
It is an arithmetic number, because the mean of its divisors is an integer number (1283254650).
Almost surely, 212680455726 is an apocalyptic number.
12680455726 is a deficient number, since it is larger than the sum of its proper divisors (7851618674).
12680455726 is a wasteful number, since it uses less digits than its factorization.
12680455726 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9505643.
The product of its (nonzero) digits is 806400, while the sum is 46.
The spelling of 12680455726 in words is "twelve billion, six hundred eighty million, four hundred fifty-five thousand, seven hundred twenty-six".
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