Base | Representation |
---|---|
bin | 10000110000100010… |
… | …00100001001010000 |
3 | 212020000120001201220 |
4 | 20120101010021100 |
5 | 121411221424300 |
6 | 4044434125040 |
7 | 435645521061 |
oct | 103021041120 |
9 | 25200501656 |
10 | 8997061200 |
11 | 38a7674276 |
12 | 18b1120780 |
13 | b04c9176a |
14 | 614c8c568 |
15 | 379ceada0 |
hex | 218444250 |
8997061200 has 120 divisors (see below), whose sum is σ = 28863027648. Its totient is φ = 2395683840.
The previous prime is 8997061193. The next prime is 8997061247. The reversal of 8997061200 is 21607998.
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×89970612002 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867244 + ... + 877556.
Almost surely, 28997061200 is an apocalyptic number.
8997061200 is a gapful number since it is divisible by the number (80) 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 8997061200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14431513824).
8997061200 is an abundant number, since it is smaller than the sum of its proper divisors (19865966448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8997061200 is a wasteful number, since it uses less digits than its factorization.
8997061200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11061 (or 11050 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 8997061200 is about 94852.8397044601. The cubic root of 8997061200 is about 2079.8573928363.
The spelling of 8997061200 in words is "eight billion, nine hundred ninety-seven million, sixty-one thousand, two hundred".
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