Base | Representation |
---|---|
bin | 100010001101000… |
… | …1111100111110010 |
3 | 2221222122202011000 |
4 | 1010122033213302 |
5 | 4322304333133 |
6 | 305515502430 |
7 | 40304355552 |
oct | 10432174762 |
9 | 2858582130 |
10 | 1147730418 |
11 | 53995593a |
12 | 280457a16 |
13 | 153a23033 |
14 | ac605162 |
15 | 6ab63413 |
hex | 4468f9f2 |
1147730418 has 64 divisors (see below), whose sum is σ = 2706704640. Its totient is φ = 359251200.
The previous prime is 1147730413. The next prime is 1147730497. The reversal of 1147730418 is 8140377411.
1147730418 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×11477304182 = 2634570224804909448, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (1147730413) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495483 + ... + 497793.
It is an arithmetic number, because the mean of its divisors is an integer number (42292260).
Almost surely, 21147730418 is an apocalyptic number.
1147730418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1147730418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353352320).
1147730418 is an abundant number, since it is smaller than the sum of its proper divisors (1558974222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1147730418 is a wasteful number, since it uses less digits than its factorization.
1147730418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2880 (or 2874 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
The square root of 1147730418 is about 33878.1702280392. The cubic root of 1147730418 is about 1046.9998768483. Note that the first 3 decimals are identical.
The spelling of 1147730418 in words is "one billion, one hundred forty-seven million, seven hundred thirty thousand, four hundred eighteen".
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