Base | Representation |
---|---|
bin | 111111110010110… |
… | …0100010100010011 |
3 | 12112011211102202212 |
4 | 1333211210110103 |
5 | 13340440221030 |
6 | 552223302335 |
7 | 104021261501 |
oct | 17745442423 |
9 | 5464742685 |
10 | 2140554515 |
11 | 9a9318320 |
12 | 4b8a4a9ab |
13 | 281619c08 |
14 | 164405671 |
15 | c7dc8595 |
hex | 7f964513 |
2140554515 has 32 divisors (see below), whose sum is σ = 2859390720. Its totient is φ = 1525168000.
The previous prime is 2140554499. The next prime is 2140554539. The reversal of 2140554515 is 5154550412.
It is not a de Polignac number, because 2140554515 - 24 = 2140554499 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125065 + ... + 1126965.
It is an arithmetic number, because the mean of its divisors is an integer number (89355960).
Almost surely, 22140554515 is an apocalyptic number.
2140554515 is a deficient number, since it is larger than the sum of its proper divisors (718836205).
2140554515 is a wasteful number, since it uses less digits than its factorization.
2140554515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2323.
The product of its (nonzero) digits is 20000, while the sum is 32.
The square root of 2140554515 is about 46266.1270801869. The cubic root of 2140554515 is about 1288.7700383195.
It can be divided in two parts, 2140 and 554515, that added together give a palindrome (556655).
The spelling of 2140554515 in words is "two billion, one hundred forty million, five hundred fifty-four thousand, five hundred fifteen".
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