Base | Representation |
---|---|
bin | 10010000011101100… |
… | …001011000110101001 |
3 | 1212001021022200100220 |
4 | 102003230023012221 |
5 | 304202122424142 |
6 | 12523551120253 |
7 | 1254325012224 |
oct | 220354130651 |
9 | 55037280326 |
10 | 19389264297 |
11 | 824a809277 |
12 | 3911513089 |
13 | 1a9ccc0670 |
14 | d1d1465bb |
15 | 78732c2ec |
hex | 483b0b1a9 |
19389264297 has 16 divisors (see below), whose sum is σ = 27884062080. Its totient is φ = 11913397632.
The previous prime is 19389264287. The next prime is 19389264299. The reversal of 19389264297 is 79246298391.
It is not a de Polignac number, because 19389264297 - 219 = 19388740009 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 19389264297.
It is not an unprimeable number, because it can be changed into a prime (19389264299) 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, 358972 + ... + 409437.
It is an arithmetic number, because the mean of its divisors is an integer number (1742753880).
Almost surely, 219389264297 is an apocalyptic number.
It is an amenable number.
19389264297 is a deficient number, since it is larger than the sum of its proper divisors (8494797783).
19389264297 is a wasteful number, since it uses less digits than its factorization.
19389264297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769072.
The product of its digits is 11757312, while the sum is 60.
The spelling of 19389264297 in words is "nineteen billion, three hundred eighty-nine million, two hundred sixty-four thousand, two hundred ninety-seven".
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