Base | Representation |
---|---|
bin | 111110101101000… |
… | …0011101101000011 |
3 | 12102122000101222011 |
4 | 1331122003231003 |
5 | 13302104423130 |
6 | 544435353351 |
7 | 103065362656 |
oct | 17532035503 |
9 | 5378011864 |
10 | 2103982915 |
11 | 98a709561 |
12 | 4a8752857 |
13 | 276b83a08 |
14 | 15d60589d |
15 | c4aa252a |
hex | 7d683b43 |
2103982915 has 16 divisors (see below), whose sum is σ = 2626303680. Its totient is φ = 1616146560.
The previous prime is 2103982877. The next prime is 2103982919. The reversal of 2103982915 is 5192893012.
It is not a de Polignac number, because 2103982915 - 27 = 2103982787 is a prime.
It is a super-2 number, since 2×21039829152 = 8853488213223794450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2103982919) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 13839 + ... + 66328.
It is an arithmetic number, because the mean of its divisors is an integer number (164143980).
Almost surely, 22103982915 is an apocalyptic number.
2103982915 is a deficient number, since it is larger than the sum of its proper divisors (522320765).
2103982915 is a wasteful number, since it uses less digits than its factorization.
2103982915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80382.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 2103982915 is about 45869.1935289907. The cubic root of 2103982915 is about 1281.3882470219.
The spelling of 2103982915 in words is "two billion, one hundred three million, nine hundred eighty-two thousand, nine hundred fifteen".
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