Base | Representation |
---|---|
bin | 10011011001100100… |
… | …001001001111000101 |
3 | 1222202200022122022001 |
4 | 103121210021033011 |
5 | 320124440000234 |
6 | 13322535105301 |
7 | 1335121036114 |
oct | 233144111705 |
9 | 58680278261 |
10 | 20830000069 |
11 | 8919aa039a |
12 | 4053b12231 |
13 | 1c6c632838 |
14 | 101861dc7b |
15 | 81da6bd14 |
hex | 4d99093c5 |
20830000069 has 2 divisors, whose sum is σ = 20830000070. Its totient is φ = 20830000068.
The previous prime is 20830000039. The next prime is 20830000109. The reversal of 20830000069 is 96000003802.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11505780225 + 9324219844 = 107265^2 + 96562^2 .
It is a cyclic number.
It is not a de Polignac number, because 20830000069 - 221 = 20827902917 is a prime.
It is a super-2 number, since 2×208300000692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20830000019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10415000034 + 10415000035.
It is an arithmetic number, because the mean of its divisors is an integer number (10415000035).
Almost surely, 220830000069 is an apocalyptic number.
It is an amenable number.
20830000069 is a deficient number, since it is larger than the sum of its proper divisors (1).
20830000069 is an equidigital number, since it uses as much as digits as its factorization.
20830000069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 28.
The spelling of 20830000069 in words is "twenty billion, eight hundred thirty million, sixty-nine", and thus it is an aban number.
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