Base | Representation |
---|---|
bin | 1011011111111111111… |
… | …0000111000000000000 |
3 | 200212221212001021200100 |
4 | 2313333332013000000 |
5 | 11214104402000000 |
6 | 230432251522400 |
7 | 20162630202000 |
oct | 2677776070000 |
9 | 625855037610 |
10 | 197568000000 |
11 | 76873a92648 |
12 | 32359159400 |
13 | 1582750b117 |
14 | 97c30d2000 |
15 | 5214bcba00 |
hex | 2dfff87000 |
197568000000 has 1092 divisors, whose sum is σ = 831887789200. Its totient is φ = 45158400000.
The previous prime is 197567999963. The next prime is 197568000059. The reversal of 197568000000 is 865791.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
197568000000 is a `hidden beast` number, since 1 + 97 + 568 + 0 + 0 + 0 + 0 + 0 + 0 = 666.
It is a super-2 number, since 2×1975680000002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 28223999997 + ... + 28224000003.
Almost surely, 2197568000000 is an apocalyptic number.
197568000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 197568000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415943894600).
197568000000 is an abundant number, since it is smaller than the sum of its proper divisors (634319789200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197568000000 is an frugal number, since it uses more digits than its factorization.
197568000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81 (or 17 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
Adding to 197568000000 its reverse (865791), we get a palindrome (197568865791).
The spelling of 197568000000 in words is "one hundred ninety-seven billion, five hundred sixty-eight million", and thus it is an aban number.
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