Base | Representation |
---|---|
bin | 10010001001101000… |
… | …111000011101111101 |
3 | 1212022020010001221220 |
4 | 102021220320131331 |
5 | 304403200033304 |
6 | 12541514143553 |
7 | 1256646213663 |
oct | 221150703575 |
9 | 55266101856 |
10 | 19489064829 |
11 | 82a1083953 |
12 | 393aa21bb9 |
13 | 1ab7894430 |
14 | d2c4c4c33 |
15 | 790e92ad9 |
hex | 489a3877d |
19489064829 has 16 divisors (see below), whose sum is σ = 28151878272. Its totient is φ = 11921450688.
The previous prime is 19489064821. The next prime is 19489064831. The reversal of 19489064829 is 92846098491.
It is not a de Polignac number, because 19489064829 - 23 = 19489064821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19489064821) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489654 + ... + 1502679.
It is an arithmetic number, because the mean of its divisors is an integer number (1759492392).
Almost surely, 219489064829 is an apocalyptic number.
It is an amenable number.
19489064829 is a deficient number, since it is larger than the sum of its proper divisors (8662813443).
19489064829 is a wasteful number, since it uses less digits than its factorization.
19489064829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2992516.
The product of its (nonzero) digits is 8957952, while the sum is 60.
The spelling of 19489064829 in words is "nineteen billion, four hundred eighty-nine million, sixty-four thousand, eight hundred twenty-nine".
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