Base | Representation |
---|---|
bin | 10011000111010101… |
… | …111111011101100010 |
3 | 1221222101002110211002 |
4 | 103013111333131202 |
5 | 314013210101010 |
6 | 13232334552002 |
7 | 1324416446465 |
oct | 230725773542 |
9 | 57871073732 |
10 | 20524300130 |
11 | 8782483514 |
12 | 3b89668602 |
13 | 1c211ba4b9 |
14 | dc9ba52dc |
15 | 801cd41a5 |
hex | 4c757f762 |
20524300130 has 32 divisors (see below), whose sum is σ = 37120030704. Its totient is φ = 8170602496.
The previous prime is 20524300127. The next prime is 20524300177. The reversal of 20524300130 is 3100342502.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 13310006161 + 7214293969 = 115369^2 + 84937^2 .
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, 3680024 + ... + 3685596.
Almost surely, 220524300130 is an apocalyptic number.
20524300130 is a deficient number, since it is larger than the sum of its proper divisors (16595730574).
20524300130 is a wasteful number, since it uses less digits than its factorization.
20524300130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7270.
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 20524300130 its reverse (3100342502), we get a palindrome (23624642632).
The spelling of 20524300130 in words is "twenty billion, five hundred twenty-four million, three hundred thousand, one hundred thirty".
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