Base | Representation |
---|---|
bin | 10011000111011001… |
… | …111101101011011001 |
3 | 1221222110001101011200 |
4 | 103013121331223121 |
5 | 314013441411101 |
6 | 13232413144413 |
7 | 1324431344325 |
oct | 230731755331 |
9 | 57873041150 |
10 | 20525341401 |
11 | 8783024874 |
12 | 3b89a8b109 |
13 | 1c21493436 |
14 | dc9d96985 |
15 | 801e3c986 |
hex | 4c767dad9 |
20525341401 has 6 divisors (see below), whose sum is σ = 29647715370. Its totient is φ = 13683560928.
The previous prime is 20525341399. The next prime is 20525341423. The reversal of 20525341401 is 10414352502.
20525341401 is a `hidden beast` number, since 2 + 0 + 5 + 253 + 4 + 1 + 401 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12259804176 + 8265537225 = 110724^2 + 90915^2 .
It is not a de Polignac number, because 20525341401 - 21 = 20525341399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20525340401) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1140296736 + ... + 1140296753.
It is an arithmetic number, because the mean of its divisors is an integer number (4941285895).
Almost surely, 220525341401 is an apocalyptic number.
It is an amenable number.
20525341401 is a deficient number, since it is larger than the sum of its proper divisors (9122373969).
20525341401 is a wasteful number, since it uses less digits than its factorization.
20525341401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2280593495 (or 2280593492 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 20525341401 its reverse (10414352502), we get a palindrome (30939693903).
The spelling of 20525341401 in words is "twenty billion, five hundred twenty-five million, three hundred forty-one thousand, four hundred one".
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