Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010001110000000101 |
3 | 1221010221000002121012 |
4 | 102310021101300011 |
5 | 312333230400234 |
6 | 13140351132005 |
7 | 1313425603322 |
oct | 226411216005 |
9 | 57127002535 |
10 | 20202200069 |
11 | 8627684a17 |
12 | 3ab9814005 |
13 | 1b9c55244c |
14 | d990bbb49 |
15 | 7d38ac0ce |
hex | 4b4251c05 |
20202200069 has 2 divisors, whose sum is σ = 20202200070. Its totient is φ = 20202200068.
The previous prime is 20202200017. The next prime is 20202200077. The reversal of 20202200069 is 96000220202.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10396249444 + 9805950625 = 101962^2 + 99025^2 .
It is a cyclic number.
It is not a de Polignac number, because 20202200069 - 232 = 15907232773 is a prime.
It is a super-2 number, since 2×202022000692 (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 (20202203069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101100034 + 10101100035.
It is an arithmetic number, because the mean of its divisors is an integer number (10101100035).
Almost surely, 220202200069 is an apocalyptic number.
It is an amenable number.
20202200069 is a deficient number, since it is larger than the sum of its proper divisors (1).
20202200069 is an equidigital number, since it uses as much as digits as its factorization.
20202200069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 23.
The spelling of 20202200069 in words is "twenty billion, two hundred two million, two hundred thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •