Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101110110011110 |
3 | 1221101220101212120200 |
4 | 102322013031312132 |
5 | 313034343314402 |
6 | 13154325124330 |
7 | 1316052620235 |
oct | 227207156636 |
9 | 57356355520 |
10 | 20302323102 |
11 | 867914a926 |
12 | 3b272596a6 |
13 | 1bb7209c49 |
14 | da8501b1c |
15 | 7dc58821c |
hex | 4ba1cdd9e |
20302323102 has 12 divisors (see below), whose sum is σ = 43988366760. Its totient is φ = 6767441028.
The previous prime is 20302323071. The next prime is 20302323163. The reversal of 20302323102 is 20132320302.
It is a happy number.
20302323102 is a `hidden beast` number, since 20 + 302 + 32 + 310 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1127906839 = 20302323102 / (2 + 0 + 3 + 0 + 2 + 3 + 2 + 3 + 1 + 0 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563953402 + ... + 563953437.
It is an arithmetic number, because the mean of its divisors is an integer number (3665697230).
Almost surely, 220302323102 is an apocalyptic number.
20302323102 is an abundant number, since it is smaller than the sum of its proper divisors (23686043658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302323102 is a wasteful number, since it uses less digits than its factorization.
20302323102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1127906847 (or 1127906844 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302323102 its reverse (20132320302), we get a palindrome (40434643404).
The spelling of 20302323102 in words is "twenty billion, three hundred two million, three hundred twenty-three thousand, one hundred two".
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