Base | Representation |
---|---|
bin | 10010101111110101… |
… | …110111010001101110 |
3 | 1220221220011001111202 |
4 | 102233311313101232 |
5 | 312211240031110 |
6 | 13125251445502 |
7 | 1311561123365 |
oct | 225765672156 |
9 | 56856131452 |
10 | 20130002030 |
11 | 859a952516 |
12 | 3a995b6892 |
13 | 1b8a5c4308 |
14 | d8d6867dc |
15 | 7cc39a0a5 |
hex | 4afd7746e |
20130002030 has 16 divisors (see below), whose sum is σ = 36235648944. Its totient is φ = 8051635200.
The previous prime is 20130001999. The next prime is 20130002041. The reversal of 20130002030 is 3020003102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342830 + ... + 397230.
It is an arithmetic number, because the mean of its divisors is an integer number (2264728059).
Almost surely, 220130002030 is an apocalyptic number.
20130002030 is a deficient number, since it is larger than the sum of its proper divisors (16105646914).
20130002030 is a wasteful number, since it uses less digits than its factorization.
20130002030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91411.
The product of its (nonzero) digits is 36, while the sum is 11.
Adding to 20130002030 its reverse (3020003102), we get a palindrome (23150005132).
The spelling of 20130002030 in words is "twenty billion, one hundred thirty million, two thousand, thirty".
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