Base | Representation |
---|---|
bin | 1001001011111101001101… |
… | …11010000110100001101110 |
3 | 2122112021222022021010201212 |
4 | 10211332212322012201232 |
5 | 10121442230022121110 |
6 | 110544403553034422 |
7 | 4153356112653254 |
oct | 445764672064156 |
9 | 78467868233655 |
10 | 20202031442030 |
11 | 64896a70a0749 |
12 | 2323357555a12 |
13 | b370744386c9 |
14 | 4dbad80605d4 |
15 | 25077b82de05 |
hex | 125fa6e8686e |
20202031442030 has 16 divisors (see below), whose sum is σ = 36685458868464. Its totient is φ = 8009300960640.
The previous prime is 20202031441997. The next prime is 20202031442071. The reversal of 20202031442030 is 3024413020202.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20202031441987 and 20202031442005.
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, 8938950836 + ... + 8938953095.
It is an arithmetic number, because the mean of its divisors is an integer number (2292841179279).
Almost surely, 220202031442030 is an apocalyptic number.
20202031442030 is a deficient number, since it is larger than the sum of its proper divisors (16483427426434).
20202031442030 is a wasteful number, since it uses less digits than its factorization.
20202031442030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17877904051.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 20202031442030 its reverse (3024413020202), we get a palindrome (23226444462232).
The spelling of 20202031442030 in words is "twenty trillion, two hundred two billion, thirty-one million, four hundred forty-two thousand, thirty".
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