Base | Representation |
---|---|
bin | 10001000010000010… |
… | …01101101011110110 |
3 | 212121020212021221222 |
4 | 20201001031223312 |
5 | 122211314312133 |
6 | 4111201310342 |
7 | 442410606155 |
oct | 104101155366 |
9 | 25536767858 |
10 | 9143900918 |
11 | 3972548109 |
12 | 19323353b2 |
13 | b29525079 |
14 | 62a59359c |
15 | 387b53e98 |
hex | 22104daf6 |
9143900918 has 8 divisors (see below), whose sum is σ = 13716900912. Its totient is φ = 4571600616.
The previous prime is 9143900903. The next prime is 9143900947. The reversal of 9143900918 is 8190093419.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×91439009182 (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 3 ways as a sum of consecutive naturals, for example, 140930 + ... + 195317.
It is an arithmetic number, because the mean of its divisors is an integer number (1714612614).
Almost surely, 29143900918 is an apocalyptic number.
9143900918 is a deficient number, since it is larger than the sum of its proper divisors (4572999994).
9143900918 is a wasteful number, since it uses less digits than its factorization.
9143900918 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349846.
The product of its (nonzero) digits is 69984, while the sum is 44.
The square root of 9143900918 is about 95623.7466218512. The cubic root of 9143900918 is about 2091.1114040280. Note that the first 3 decimals are identical.
The spelling of 9143900918 in words is "nine billion, one hundred forty-three million, nine hundred thousand, nine hundred eighteen".
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