Base | Representation |
---|---|
bin | 101010100111101… |
… | …0001011011001001 |
3 | 10200122220220222100 |
4 | 1111033101123021 |
5 | 10412044120024 |
6 | 353523144013 |
7 | 50303240136 |
oct | 12517213311 |
9 | 3618826870 |
10 | 1430066889 |
11 | 674265469 |
12 | 33ab15009 |
13 | 19a378034 |
14 | d7cdb58d |
15 | 858337c9 |
hex | 553d16c9 |
1430066889 has 24 divisors (see below), whose sum is σ = 2091645920. Its totient is φ = 941455872.
The previous prime is 1430066887. The next prime is 1430066899. The reversal of 1430066889 is 9886600341.
It is not a de Polignac number, because 1430066889 - 21 = 1430066887 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1430066881) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238482 + ... + 244404.
Almost surely, 21430066889 is an apocalyptic number.
It is an amenable number.
1430066889 is a deficient number, since it is larger than the sum of its proper divisors (661579031).
1430066889 is a wasteful number, since it uses less digits than its factorization.
1430066889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6261 (or 6258 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 1430066889 is about 37816.2252082357. The cubic root of 1430066889 is about 1126.6407371906.
The spelling of 1430066889 in words is "one billion, four hundred thirty million, sixty-six thousand, eight hundred eighty-nine".
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