Base | Representation |
---|---|
bin | 100111010101011… |
… | …1101101001110110 |
3 | 10101222121010102120 |
4 | 1032222331221312 |
5 | 10200342313210 |
6 | 334545420410 |
7 | 44464561323 |
oct | 11652755166 |
9 | 3358533376 |
10 | 1319885430 |
11 | 61804a506 |
12 | 30a03a706 |
13 | 1805ab1c6 |
14 | c7419b4a |
15 | 7ad1c270 |
hex | 4eabda76 |
1319885430 has 32 divisors (see below), whose sum is σ = 3241396224. Its totient is φ = 343783776.
The previous prime is 1319885417. The next prime is 1319885453. The reversal of 1319885430 is 345889131.
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 15 ways as a sum of consecutive naturals, for example, 510294 + ... + 512873.
It is an arithmetic number, because the mean of its divisors is an integer number (101293632).
Almost surely, 21319885430 is an apocalyptic number.
1319885430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1319885430 is an abundant number, since it is smaller than the sum of its proper divisors (1921510794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1319885430 is a wasteful number, since it uses less digits than its factorization.
1319885430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1023220.
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 1319885430 is about 36330.2274972233. The cubic root of 1319885430 is about 1096.9295724831.
The spelling of 1319885430 in words is "one billion, three hundred nineteen million, eight hundred eighty-five thousand, four hundred thirty".
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