Base | Representation |
---|---|
bin | 101010100111110… |
… | …0100000010010000 |
3 | 10200200001210112201 |
4 | 1111033210002100 |
5 | 10412104034440 |
6 | 353524532544 |
7 | 50304005320 |
oct | 12517440220 |
9 | 3620053481 |
10 | 1430143120 |
11 | 67430776a |
12 | 33ab51154 |
13 | 19a3a3943 |
14 | d7d1b280 |
15 | 8584b19a |
hex | 553e4090 |
1430143120 has 160 divisors (see below), whose sum is σ = 3982245120. Its totient is φ = 467281920.
The previous prime is 1430143093. The next prime is 1430143123. The reversal of 1430143120 is 213410341.
It is not an unprimeable number, because it can be changed into a prime (1430143123) 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, 1347390 + ... + 1348450.
It is an arithmetic number, because the mean of its divisors is an integer number (24889032).
Almost surely, 21430143120 is an apocalyptic number.
1430143120 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 1430143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991122560).
1430143120 is an abundant number, since it is smaller than the sum of its proper divisors (2552102000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430143120 is a wasteful number, since it uses less digits than its factorization.
1430143120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1193 (or 1187 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1430143120 is about 37817.2331087297. The cubic root of 1430143120 is about 1126.6607557004.
Adding to 1430143120 its reverse (213410341), we get a palindrome (1643553461).
The spelling of 1430143120 in words is "one billion, four hundred thirty million, one hundred forty-three thousand, one hundred twenty".
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