Base | Representation |
---|---|
bin | 10000110000100010… |
… | …00001101101011100 |
3 | 212020000112120001120 |
4 | 20120101001231130 |
5 | 121411221114403 |
6 | 4044434010540 |
7 | 435645450024 |
oct | 103021015534 |
9 | 25200476046 |
10 | 8997051228 |
11 | 38a7667830 |
12 | 18b1116a50 |
13 | b04c8a069 |
14 | 614c88a84 |
15 | 379ce7e53 |
hex | 218441b5c |
8997051228 has 96 divisors (see below), whose sum is σ = 24167028480. Its totient is φ = 2576448000.
The previous prime is 8997051227. The next prime is 8997051233. The reversal of 8997051228 is 8221507998.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8997051227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051608 + ... + 1060128.
It is an arithmetic number, because the mean of its divisors is an integer number (251739880).
Almost surely, 28997051228 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 8997051228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12083514240).
8997051228 is an abundant number, since it is smaller than the sum of its proper divisors (15169977252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8997051228 is a wasteful number, since it uses less digits than its factorization.
8997051228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8979 (or 8977 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 51.
The square root of 8997051228 is about 94852.7871388079. The cubic root of 8997051228 is about 2079.8566244245.
The spelling of 8997051228 in words is "eight billion, nine hundred ninety-seven million, fifty-one thousand, two hundred twenty-eight".
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