Base | Representation |
---|---|
bin | 111111110001111… |
… | …0110100111000010 |
3 | 12112010222121100212 |
4 | 1333203312213002 |
5 | 13340331331104 |
6 | 552205514122 |
7 | 104014410425 |
oct | 17743664702 |
9 | 5463877325 |
10 | 2140105154 |
11 | 9a9040750 |
12 | 4b8872942 |
13 | 2814c0515 |
14 | 1643299bc |
15 | c7d3a36e |
hex | 7f8f69c2 |
2140105154 has 8 divisors (see below), whose sum is σ = 3501990288. Its totient is φ = 972775060.
The previous prime is 2140105153. The next prime is 2140105159. The reversal of 2140105154 is 4515010412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2140105153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48638732 + ... + 48638775.
It is an arithmetic number, because the mean of its divisors is an integer number (437748786).
Almost surely, 22140105154 is an apocalyptic number.
2140105154 is a deficient number, since it is larger than the sum of its proper divisors (1361885134).
2140105154 is a wasteful number, since it uses less digits than its factorization.
2140105154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97277520.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 2140105154 is about 46261.2705618858. The cubic root of 2140105154 is about 1288.6798493025.
Adding to 2140105154 its reverse (4515010412), we get a palindrome (6655115566).
The spelling of 2140105154 in words is "two billion, one hundred forty million, one hundred five thousand, one hundred fifty-four".
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