Base | Representation |
---|---|
bin | 10000110011000010… |
… | …10100000100110010 |
3 | 212021111010211202112 |
4 | 20121201110010302 |
5 | 121432113113340 |
6 | 4050505045322 |
7 | 436322365550 |
oct | 103141240462 |
9 | 25244124675 |
10 | 9018097970 |
11 | 3908532532 |
12 | 18b8186842 |
13 | b09448a5b |
14 | 6179a6bd0 |
15 | 37baa4065 |
hex | 219854132 |
9018097970 has 32 divisors (see below), whose sum is σ = 18555975936. Its totient is φ = 3091176000.
The previous prime is 9018097937. The next prime is 9018097973. The reversal of 9018097970 is 797908109.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (9018097973) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333560 + ... + 359580.
It is an arithmetic number, because the mean of its divisors is an integer number (579874248).
Almost surely, 29018097970 is an apocalyptic number.
9018097970 is an abundant number, since it is smaller than the sum of its proper divisors (9537877966).
9018097970 is a wasteful number, since it uses less digits than its factorization.
9018097970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30986.
The product of its (nonzero) digits is 285768, while the sum is 50.
The square root of 9018097970 is about 94963.6665783288. Note that the first 3 decimals coincide. The cubic root of 9018097970 is about 2081.4771596934.
The spelling of 9018097970 in words is "nine billion, eighteen million, ninety-seven thousand, nine hundred seventy".
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