Base | Representation |
---|---|
bin | 101100111001110110000010… |
… | …011010001001100010110000 |
3 | 221220020202211111000211110211 |
4 | 230321312002122021202300 |
5 | 201341130113224132123 |
6 | 1540005121441033504 |
7 | 56412054325135561 |
oct | 5471660232114260 |
9 | 856222744024424 |
10 | 197489079130288 |
11 | 57a20714704010 |
12 | 1a196859025894 |
13 | 86271a919997a |
14 | 36aa74579c168 |
15 | 17c722682040d |
hex | b39d826898b0 |
197489079130288 has 160 divisors (see below), whose sum is σ = 439184747520000. Its totient is φ = 85193216962560.
The previous prime is 197489079130267. The next prime is 197489079130307. The reversal of 197489079130288 is 882031970984791.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2905627281 + ... + 2905695247.
It is an arithmetic number, because the mean of its divisors is an integer number (2744904672000).
Almost surely, 2197489079130288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 197489079130288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219592373760000).
197489079130288 is an abundant number, since it is smaller than the sum of its proper divisors (241695668389712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197489079130288 is a wasteful number, since it uses less digits than its factorization.
197489079130288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77723 (or 77717 counting only the distinct ones).
The product of its (nonzero) digits is 438939648, while the sum is 76.
The spelling of 197489079130288 in words is "one hundred ninety-seven trillion, four hundred eighty-nine billion, seventy-nine million, one hundred thirty thousand, two hundred eighty-eight".
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