Base | Representation |
---|---|
bin | 10011001010101100… |
… | …000101111010001001 |
3 | 1222010021200221011001 |
4 | 103022230011322021 |
5 | 314122042102403 |
6 | 13242101535001 |
7 | 1326000505045 |
oct | 231254057211 |
9 | 58107627131 |
10 | 20580425353 |
11 | 88011281a4 |
12 | 3ba4414461 |
13 | 1c2ca0b8a7 |
14 | dd3415025 |
15 | 806bbdc1d |
hex | 4cab05e89 |
20580425353 has 2 divisors, whose sum is σ = 20580425354. Its totient is φ = 20580425352.
The previous prime is 20580425321. The next prime is 20580425357. The reversal of 20580425353 is 35352408502.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17782755904 + 2797669449 = 133352^2 + 52893^2 .
It is a cyclic number.
It is not a de Polignac number, because 20580425353 - 25 = 20580425321 is a prime.
It is not a weakly prime, because it can be changed into another prime (20580425357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290212676 + 10290212677.
It is an arithmetic number, because the mean of its divisors is an integer number (10290212677).
Almost surely, 220580425353 is an apocalyptic number.
It is an amenable number.
20580425353 is a deficient number, since it is larger than the sum of its proper divisors (1).
20580425353 is an equidigital number, since it uses as much as digits as its factorization.
20580425353 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144000, while the sum is 37.
The spelling of 20580425353 in words is "twenty billion, five hundred eighty million, four hundred twenty-five thousand, three hundred fifty-three".
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