Base | Representation |
---|---|
bin | 111100000100000… |
… | …0100011000000010 |
3 | 12012110021221222112 |
4 | 1320020010120002 |
5 | 13111414142434 |
6 | 531552335322 |
7 | 100641312224 |
oct | 17010043002 |
9 | 5173257875 |
10 | 2015380994 |
11 | 9446a2630 |
12 | 482b44542 |
13 | 261701243 |
14 | 151940414 |
15 | bbdeedce |
hex | 78204602 |
2015380994 has 32 divisors (see below), whose sum is σ = 3400935552. Its totient is φ = 887760000.
The previous prime is 2015380993. The next prime is 2015380999. The reversal of 2015380994 is 4990835102.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is not an unprimeable number, because it can be changed into a prime (2015380993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128804 + ... + 143600.
It is an arithmetic number, because the mean of its divisors is an integer number (106279236).
Almost surely, 22015380994 is an apocalyptic number.
2015380994 is a deficient number, since it is larger than the sum of its proper divisors (1385554558).
2015380994 is a wasteful number, since it uses less digits than its factorization.
2015380994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15002.
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 2015380994 is about 44892.9949323945. The cubic root of 2015380994 is about 1263.1426118353.
The spelling of 2015380994 in words is "two billion, fifteen million, three hundred eighty thousand, nine hundred ninety-four".
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