Base | Representation |
---|---|
bin | 10011011001010100… |
… | …101001010001101001 |
3 | 1222202101200012211001 |
4 | 103121110221101221 |
5 | 320122414441001 |
6 | 13322312035001 |
7 | 1335041354332 |
oct | 233124512151 |
9 | 58671605731 |
10 | 20825937001 |
11 | 8917775791 |
12 | 4052692a61 |
13 | 1c6b83c35c |
14 | 1017c83289 |
15 | 81d518001 |
hex | 4d9529469 |
20825937001 has 2 divisors, whose sum is σ = 20825937002. Its totient is φ = 20825937000.
The previous prime is 20825936959. The next prime is 20825937019. The reversal of 20825937001 is 10073952802.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20578189401 + 247747600 = 143451^2 + 15740^2 .
It is a cyclic number.
It is not a de Polignac number, because 20825937001 - 227 = 20691719273 is a prime.
It is not a weakly prime, because it can be changed into another prime (20825937061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412968500 + 10412968501.
It is an arithmetic number, because the mean of its divisors is an integer number (10412968501).
Almost surely, 220825937001 is an apocalyptic number.
It is an amenable number.
20825937001 is a deficient number, since it is larger than the sum of its proper divisors (1).
20825937001 is an equidigital number, since it uses as much as digits as its factorization.
20825937001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 37.
The spelling of 20825937001 in words is "twenty billion, eight hundred twenty-five million, nine hundred thirty-seven thousand, one".
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