Base | Representation |
---|---|
bin | 100001111111110… |
… | …1011111010000110 |
3 | 2221111120001001010 |
4 | 1003333223322012 |
5 | 4314014042030 |
6 | 305110343050 |
7 | 40161241236 |
oct | 10377537206 |
9 | 2844501033 |
10 | 1140768390 |
11 | 535a301a3 |
12 | 27a05aa86 |
13 | 1524561a8 |
14 | ab711cc6 |
15 | 6a23a6b0 |
hex | 43febe86 |
1140768390 has 16 divisors (see below), whose sum is σ = 2737844208. Its totient is φ = 304204896.
The previous prime is 1140768367. The next prime is 1140768451. The reversal of 1140768390 is 938670411.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19012777 + ... + 19012836.
It is an arithmetic number, because the mean of its divisors is an integer number (171115263).
Almost surely, 21140768390 is an apocalyptic number.
1140768390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1140768390 is an abundant number, since it is smaller than the sum of its proper divisors (1597075818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1140768390 is a wasteful number, since it uses less digits than its factorization.
1140768390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38025623.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 1140768390 is about 33775.2629893536. The cubic root of 1140768390 is about 1044.8785799419.
It can be divided in two parts, 11407 and 68390, that added together give a palindrome (79797).
The spelling of 1140768390 in words is "one billion, one hundred forty million, seven hundred sixty-eight thousand, three hundred ninety".
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