Base | Representation |
---|---|
bin | 10010111100010111… |
… | …011100000111001010 |
3 | 1221111112112200020102 |
4 | 102330113130013022 |
5 | 313124033132000 |
6 | 13202155325402 |
7 | 1320022153166 |
oct | 227427340712 |
9 | 57445480212 |
10 | 20340130250 |
11 | 8698522a00 |
12 | 3b37a50862 |
13 | 1bc1cb663b |
14 | dad543ca6 |
15 | 7e0a553d5 |
hex | 4bc5dc1ca |
20340130250 has 192 divisors, whose sum is σ = 45555138720. Its totient is φ = 6766848000.
The previous prime is 20340130207. The next prime is 20340130259. The reversal of 20340130250 is 5203104302.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 431766841 + 19908363409 = 20779^2 + 141097^2 .
It is not an unprimeable number, because it can be changed into a prime (20340130259) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19026716 + ... + 19027784.
Almost surely, 220340130250 is an apocalyptic number.
20340130250 is an abundant number, since it is smaller than the sum of its proper divisors (25215008470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20340130250 is a wasteful number, since it uses less digits than its factorization.
20340130250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1162 (or 1141 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 20340130250 its reverse (5203104302), we get a palindrome (25543234552).
The spelling of 20340130250 in words is "twenty billion, three hundred forty million, one hundred thirty thousand, two hundred fifty".
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