Base | Representation |
---|---|
bin | 111000110100110010… |
… | …0011100111010011001 |
3 | 102122222111102212121011 |
4 | 1301221210130322121 |
5 | 3444404220410302 |
6 | 132020535413521 |
7 | 11550010663360 |
oct | 1615144347231 |
9 | 378874385534 |
10 | 122030247577 |
11 | 47830991187 |
12 | 1b7978242a1 |
13 | b6799c22b4 |
14 | 5c98c367d7 |
15 | 32933405d7 |
hex | 1c6991ce99 |
122030247577 has 4 divisors (see below), whose sum is σ = 139463140096. Its totient is φ = 104597355060.
The previous prime is 122030247523. The next prime is 122030247589. The reversal of 122030247577 is 775742030221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775742030221 = 397519 ⋅1951459.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122030247577 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122030257577) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8716446249 + ... + 8716446262.
It is an arithmetic number, because the mean of its divisors is an integer number (34865785024).
Almost surely, 2122030247577 is an apocalyptic number.
It is an amenable number.
122030247577 is a deficient number, since it is larger than the sum of its proper divisors (17432892519).
122030247577 is an equidigital number, since it uses as much as digits as its factorization.
122030247577 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17432892518.
The product of its (nonzero) digits is 164640, while the sum is 40.
Adding to 122030247577 its reverse (775742030221), we get a palindrome (897772277798).
The spelling of 122030247577 in words is "one hundred twenty-two billion, thirty million, two hundred forty-seven thousand, five hundred seventy-seven".
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