Base | Representation |
---|---|
bin | 10010101111111110111… |
… | …110111100110001000101 |
3 | 11120011202220112002201120 |
4 | 102233332332330301011 |
5 | 132102243110324242 |
6 | 2423525534544153 |
7 | 162042364644432 |
oct | 22577676746105 |
9 | 4504686462646 |
10 | 1288473136197 |
11 | 457490549875 |
12 | 18986b068059 |
13 | 9466bca0380 |
14 | 4651072cb89 |
15 | 237b1eb31ec |
hex | 12bfefbcc45 |
1288473136197 has 64 divisors (see below), whose sum is σ = 1944163952640. Its totient is φ = 753103828224.
The previous prime is 1288473136121. The next prime is 1288473136207. The reversal of 1288473136197 is 7916313748821.
It is not a de Polignac number, because 1288473136197 - 218 = 1288472874053 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1288473136197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1288473136597) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79199658 + ... + 79215924.
It is an arithmetic number, because the mean of its divisors is an integer number (30377561760).
Almost surely, 21288473136197 is an apocalyptic number.
It is an amenable number.
1288473136197 is a deficient number, since it is larger than the sum of its proper divisors (655690816443).
1288473136197 is a wasteful number, since it uses less digits than its factorization.
1288473136197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16922.
The product of its digits is 12192768, while the sum is 60.
The spelling of 1288473136197 in words is "one trillion, two hundred eighty-eight billion, four hundred seventy-three million, one hundred thirty-six thousand, one hundred ninety-seven".
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