Base | Representation |
---|---|
bin | 111111000010000… |
… | …1111001100011110 |
3 | 12110101211011110221 |
4 | 1332010033030132 |
5 | 13312422240110 |
6 | 545512351554 |
7 | 103261354315 |
oct | 17604171436 |
9 | 5411734427 |
10 | 2115040030 |
11 | 995980974 |
12 | 4b03a55ba |
13 | 27925579c |
14 | 160c8327c |
15 | c5a387da |
hex | 7e10f31e |
2115040030 has 32 divisors (see below), whose sum is σ = 3860154144. Its totient is φ = 834258816.
The previous prime is 2115040021. The next prime is 2115040051. The reversal of 2115040030 is 300405112.
It is a junction number, because it is equal to n+sod(n) for n = 2115039986 and 2115040013.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 506712 + ... + 510868.
It is an arithmetic number, because the mean of its divisors is an integer number (120629817).
Almost surely, 22115040030 is an apocalyptic number.
2115040030 is a deficient number, since it is larger than the sum of its proper divisors (1745114114).
2115040030 is a wasteful number, since it uses less digits than its factorization.
2115040030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4860.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 2115040030 is about 45989.5643597545. The cubic root of 2115040030 is about 1283.6290303424.
Adding to 2115040030 its reverse (300405112), we get a palindrome (2415445142).
The spelling of 2115040030 in words is "two billion, one hundred fifteen million, forty thousand, thirty".
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