Base | Representation |
---|---|
bin | 11100001101010001… |
… | …010110100100111011 |
3 | 2220011210010112201011 |
4 | 130031101112210323 |
5 | 444012040030203 |
6 | 21525220334351 |
7 | 2121356566060 |
oct | 341521264473 |
9 | 86153115634 |
10 | 30287423803 |
11 | 1193250886a |
12 | 5a532443b7 |
13 | 2b18aab860 |
14 | 16746a6c67 |
15 | bc3ea176d |
hex | 70d45693b |
30287423803 has 32 divisors (see below), whose sum is σ = 39259404800. Its totient is φ = 22690492416.
The previous prime is 30287423791. The next prime is 30287423807. The reversal of 30287423803 is 30832478203.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30287423803 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30287423807) 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, 4635643 + ... + 4642171.
It is an arithmetic number, because the mean of its divisors is an integer number (1226856400).
Almost surely, 230287423803 is an apocalyptic number.
30287423803 is a deficient number, since it is larger than the sum of its proper divisors (8971980997).
30287423803 is a wasteful number, since it uses less digits than its factorization.
30287423803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9251.
The product of its (nonzero) digits is 193536, while the sum is 40.
The spelling of 30287423803 in words is "thirty billion, two hundred eighty-seven million, four hundred twenty-three thousand, eight hundred three".
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