Base | Representation |
---|---|
bin | 101100111001110110000010… |
… | …011010001001100010101111 |
3 | 221220020202211111000211110210 |
4 | 230321312002122021202233 |
5 | 201341130113224132122 |
6 | 1540005121441033503 |
7 | 56412054325135560 |
oct | 5471660232114257 |
9 | 856222744024423 |
10 | 197489079130287 |
11 | 57a2071470400a |
12 | 1a196859025893 |
13 | 86271a9199979 |
14 | 36aa74579c167 |
15 | 17c722682040c |
hex | b39d826898af |
197489079130287 has 32 divisors (see below), whose sum is σ = 302614997900800. Its totient is φ = 112221644451840.
The previous prime is 197489079130267. The next prime is 197489079130307. The reversal of 197489079130287 is 782031970984791.
197489079130287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (197489079130267) and next prime (197489079130307).
It is not a de Polignac number, because 197489079130287 - 216 = 197489079064751 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 (197489079130267) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553464 + ... + 19881762.
It is an arithmetic number, because the mean of its divisors is an integer number (9456718684400).
Almost surely, 2197489079130287 is an apocalyptic number.
197489079130287 is a deficient number, since it is larger than the sum of its proper divisors (105125918770513).
197489079130287 is a wasteful number, since it uses less digits than its factorization.
197489079130287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19331023.
The product of its (nonzero) digits is 384072192, while the sum is 75.
The spelling of 197489079130287 in words is "one hundred ninety-seven trillion, four hundred eighty-nine billion, seventy-nine million, one hundred thirty thousand, two hundred eighty-seven".
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