Base | Representation |
---|---|
bin | 1011110100101101111… |
… | …1110110000100001110 |
3 | 201102022111010100021020 |
4 | 2331023133312010032 |
5 | 11312002301231110 |
6 | 233152223015010 |
7 | 20450516243622 |
oct | 2751337660416 |
9 | 642274110236 |
10 | 203130102030 |
11 | 79168713189 |
12 | 3344ba3a466 |
13 | 1620295675b |
14 | 9b8dab3182 |
15 | 543d166d70 |
hex | 2f4b7f610e |
203130102030 has 32 divisors (see below), whose sum is σ = 487828306944. Its totient is φ = 54132909216.
The previous prime is 203130102013. The next prime is 203130102067. The reversal of 203130102030 is 30201031302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147814 + ... + 2240393.
It is an arithmetic number, because the mean of its divisors is an integer number (15244634592).
Almost surely, 2203130102030 is an apocalyptic number.
203130102030 is an abundant number, since it is smaller than the sum of its proper divisors (284698204914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203130102030 is a wasteful number, since it uses less digits than its factorization.
203130102030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4389760.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 203130102030 its reverse (30201031302), we get a palindrome (233331133332).
The spelling of 203130102030 in words is "two hundred three billion, one hundred thirty million, one hundred two thousand, thirty".
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