Base | Representation |
---|---|
bin | 111000110100110010… |
… | …0110110100000010101 |
3 | 102122222111122012101200 |
4 | 1301221210312200111 |
5 | 3444404232234110 |
6 | 132020541543113 |
7 | 11550011611113 |
oct | 1615144664025 |
9 | 378874565350 |
10 | 122030352405 |
11 | 47830a52a15 |
12 | 1b797874a99 |
13 | b679a2ac20 |
14 | 5c98c62ab3 |
15 | 32933616c0 |
hex | 1c69936815 |
122030352405 has 24 divisors (see below), whose sum is σ = 227789992248. Its totient is φ = 60076480896.
The previous prime is 122030352377. The next prime is 122030352407. The reversal of 122030352405 is 504253030221.
It is a happy number.
122030352405 is a `hidden beast` number, since 1 + 2 + 203 + 0 + 3 + 52 + 405 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8055242001 + 113975110404 = 89751^2 + 337602^2 .
It is not a de Polignac number, because 122030352405 - 27 = 122030352277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122030352407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104298862 + ... + 104300031.
It is an arithmetic number, because the mean of its divisors is an integer number (9491249677).
Almost surely, 2122030352405 is an apocalyptic number.
122030352405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122030352405 is a deficient number, since it is larger than the sum of its proper divisors (105759639843).
122030352405 is a wasteful number, since it uses less digits than its factorization.
122030352405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208598917 (or 208598914 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 122030352405 its reverse (504253030221), we get a palindrome (626283382626).
The spelling of 122030352405 in words is "one hundred twenty-two billion, thirty million, three hundred fifty-two thousand, four hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •