Base | Representation |
---|---|
bin | 10010001000001101… |
… | …001100000100110101 |
3 | 1212020112212212111000 |
4 | 102020031030010311 |
5 | 304331021343033 |
6 | 12535255033513 |
7 | 1256235002313 |
oct | 221015140465 |
9 | 55215785430 |
10 | 19465027893 |
11 | 8289556613 |
12 | 393296b899 |
13 | 1ab28c96ac |
14 | d292290b3 |
15 | 78dce5a13 |
hex | 48834c135 |
19465027893 has 16 divisors (see below), whose sum is σ = 29325844800. Its totient is φ = 12756740400.
The previous prime is 19465027891. The next prime is 19465027913. The reversal of 19465027893 is 39872056491.
19465027893 is a `hidden beast` number, since 1 + 9 + 46 + 502 + 7 + 8 + 93 = 666.
It is not a de Polignac number, because 19465027893 - 21 = 19465027891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19465027891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107958 + ... + 6111143.
It is an arithmetic number, because the mean of its divisors is an integer number (1832865300).
It is a 1-persistent number, because it is pandigital, but 2⋅19465027893 = 38930055786 is not.
Almost surely, 219465027893 is an apocalyptic number.
It is an amenable number.
19465027893 is a deficient number, since it is larger than the sum of its proper divisors (9860816907).
19465027893 is a wasteful number, since it uses less digits than its factorization.
19465027893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12219169 (or 12219163 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 19465027893 in words is "nineteen billion, four hundred sixty-five million, twenty-seven thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •