Base | Representation |
---|---|
bin | 1000001010001010… |
… | …1000111111111111 |
3 | 12122122002120100020 |
4 | 2002202220333333 |
5 | 13441132301121 |
6 | 1001153503223 |
7 | 105162463221 |
oct | 20242507777 |
9 | 5578076306 |
10 | 2190118911 |
11 | a242a0832 |
12 | 511571b13 |
13 | 28b981c66 |
14 | 16ac28411 |
15 | cc4191c6 |
hex | 828a8fff |
2190118911 has 8 divisors (see below), whose sum is σ = 2999081904. Its totient is φ = 1420617600.
The previous prime is 2190118901. The next prime is 2190118933. The reversal of 2190118911 is 1198110912.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2190118911 - 213 = 2190110719 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2190118901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865290 + ... + 9865511.
It is an arithmetic number, because the mean of its divisors is an integer number (374885238).
Almost surely, 22190118911 is an apocalyptic number.
2190118911 is a deficient number, since it is larger than the sum of its proper divisors (808962993).
2190118911 is a wasteful number, since it uses less digits than its factorization.
2190118911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19730841.
The product of its (nonzero) digits is 1296, while the sum is 33.
The square root of 2190118911 is about 46798.7062962215. The cubic root of 2190118911 is about 1298.6413638122.
The spelling of 2190118911 in words is "two billion, one hundred ninety million, one hundred eighteen thousand, nine hundred eleven".
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