Base | Representation |
---|---|
bin | 10010001001001010… |
… | …111011110111100011 |
3 | 1212021200100020020120 |
4 | 102021022323313203 |
5 | 304344142330220 |
6 | 12541034011323 |
7 | 1256522406354 |
oct | 221112736743 |
9 | 55250306216 |
10 | 19481214435 |
11 | 8297701821 |
12 | 3938276b43 |
13 | 1ab6076127 |
14 | d2b43dd2b |
15 | 790441a40 |
hex | 4892bbde3 |
19481214435 has 32 divisors (see below), whose sum is σ = 32291930880. Its totient is φ = 10017033600.
The previous prime is 19481214419. The next prime is 19481214437. The reversal of 19481214435 is 53441218491.
It is not a de Polignac number, because 19481214435 - 24 = 19481214419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19481214437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268180 + ... + 332990.
It is an arithmetic number, because the mean of its divisors is an integer number (1009122840).
Almost surely, 219481214435 is an apocalyptic number.
19481214435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
19481214435 is a deficient number, since it is larger than the sum of its proper divisors (12810716445).
19481214435 is a wasteful number, since it uses less digits than its factorization.
19481214435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65539.
The product of its digits is 138240, while the sum is 42.
The spelling of 19481214435 in words is "nineteen billion, four hundred eighty-one million, two hundred fourteen thousand, four hundred thirty-five".
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