| Base | Representation |
|---|---|
| bin | 111100101100101… |
| … | …110010000000100 |
| 3 | 2121222012212211022 |
| 4 | 330230232100010 |
| 5 | 4041144403430 |
| 6 | 245014530312 |
| 7 | 34143614042 |
| oct | 7454562004 |
| 9 | 2558185738 |
| 10 | 1018356740 |
| 11 | 482921545 |
| 12 | 245066998 |
| 13 | 132c9666b |
| 14 | 99369392 |
| 15 | 5e60a4e5 |
| hex | 3cb2e404 |
1018356740 has 72 divisors (see below), whose sum is σ = 2260075608. Its totient is φ = 385369600.
The previous prime is 1018356719. The next prime is 1018356799. The reversal of 1018356740 is 476538101.
1018356740 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 299151616 + 719205124 = 17296^2 + 26818^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1018356740.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068104 + ... + 1069056.
It is an arithmetic number, because the mean of its divisors is an integer number (31389939).
Almost surely, 21018356740 is an apocalyptic number.
1018356740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1018356740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130037804).
1018356740 is an abundant number, since it is smaller than the sum of its proper divisors (1241718868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1018356740 is a wasteful number, since it uses less digits than its factorization.
1018356740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1109 (or 1084 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 1018356740 is about 31911.7022422810. The cubic root of 1018356740 is about 1006.0818494536.
The spelling of 1018356740 in words is "one billion, eighteen million, three hundred fifty-six thousand, seven hundred forty".
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