Base | Representation |
---|---|
bin | 111100101100000… |
… | …100101000000010 |
3 | 2121221220012221120 |
4 | 330230010220002 |
5 | 4041123424432 |
6 | 245011133110 |
7 | 34142304003 |
oct | 7454045002 |
9 | 2557805846 |
10 | 1018186242 |
11 | 482815437 |
12 | 244ba4196 |
13 | 132c36b88 |
14 | 993231aa |
15 | 5e5c4c2c |
hex | 3cb04a02 |
1018186242 has 16 divisors (see below), whose sum is σ = 2037165312. Its totient is φ = 339263280.
The previous prime is 1018186229. The next prime is 1018186243. The reversal of 1018186242 is 2426818101.
It is not an unprimeable number, because it can be changed into a prime (1018186243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15634 + ... + 47757.
It is an arithmetic number, because the mean of its divisors is an integer number (127322832).
Almost surely, 21018186242 is an apocalyptic number.
1018186242 is an abundant number, since it is smaller than the sum of its proper divisors (1018979070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1018186242 is a wasteful number, since it uses less digits than its factorization.
1018186242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66073.
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 1018186242 is about 31909.0307279930. The cubic root of 1018186242 is about 1006.0256986928.
The spelling of 1018186242 in words is "one billion, eighteen million, one hundred eighty-six thousand, two hundred forty-two".
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