Base | Representation |
---|---|
bin | 10111110001011010… |
… | …01000011011000011 |
3 | 1012221102220221110220 |
4 | 23320231020123003 |
5 | 202114200441024 |
6 | 5510224554123 |
7 | 631160405643 |
oct | 137055103303 |
9 | 35842827426 |
10 | 12762515139 |
11 | 545a11a580 |
12 | 2582182943 |
13 | 128512190a |
14 | 890dca523 |
15 | 4ea690e79 |
hex | 2f8b486c3 |
12762515139 has 8 divisors (see below), whose sum is σ = 18563658432. Its totient is φ = 7734857640.
The previous prime is 12762515089. The next prime is 12762515159. The reversal of 12762515139 is 93151526721.
It is a happy number.
12762515139 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 not a de Polignac number, because 12762515139 - 216 = 12762449603 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12762515139.
It is not an unprimeable number, because it can be changed into a prime (12762515159) 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, 193371409 + ... + 193371474.
It is an arithmetic number, because the mean of its divisors is an integer number (2320457304).
Almost surely, 212762515139 is an apocalyptic number.
12762515139 is a deficient number, since it is larger than the sum of its proper divisors (5801143293).
12762515139 is a wasteful number, since it uses less digits than its factorization.
12762515139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386742897.
The product of its digits is 113400, while the sum is 42.
The spelling of 12762515139 in words is "twelve billion, seven hundred sixty-two million, five hundred fifteen thousand, one hundred thirty-nine".
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