Base | Representation |
---|---|
bin | 10001101111011010000… |
… | …111110101000010111111 |
3 | 11022112210122000111222222 |
4 | 101233122013311002333 |
5 | 124433242104331033 |
6 | 2332021334555555 |
7 | 154036210322015 |
oct | 21573207650277 |
9 | 4275718014888 |
10 | 1219135230143 |
11 | 43003a066786 |
12 | 178339b08bbb |
13 | 8ac6ba826ac |
14 | 43013a248b5 |
15 | 21aa4a88598 |
hex | 11bda1f50bf |
1219135230143 has 16 divisors (see below), whose sum is σ = 1273834425600. Its totient is φ = 1165283212800.
The previous prime is 1219135230121. The next prime is 1219135230191. The reversal of 1219135230143 is 3410325319121.
It is a cyclic number.
It is not a de Polignac number, because 1219135230143 - 212 = 1219135226047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1219135230113) 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, 25426130 + ... + 25474032.
It is an arithmetic number, because the mean of its divisors is an integer number (79614651600).
Almost surely, 21219135230143 is an apocalyptic number.
1219135230143 is a deficient number, since it is larger than the sum of its proper divisors (54699195457).
1219135230143 is a wasteful number, since it uses less digits than its factorization.
1219135230143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56722.
The product of its (nonzero) digits is 19440, while the sum is 35.
The spelling of 1219135230143 in words is "one trillion, two hundred nineteen billion, one hundred thirty-five million, two hundred thirty thousand, one hundred forty-three".
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