Base | Representation |
---|---|
bin | 111000110110111101… |
… | …0110000010011010111 |
3 | 102200011120201101200000 |
4 | 1301231322300103113 |
5 | 4000031404444111 |
6 | 132032103222343 |
7 | 11551555046445 |
oct | 1615572602327 |
9 | 380146641600 |
10 | 122103203031 |
11 | 47869090747 |
12 | 1b7b81479b3 |
13 | b68bb570c4 |
14 | 5ca47c7b95 |
15 | 3299951c56 |
hex | 1c6deb04d7 |
122103203031 has 24 divisors (see below), whose sum is σ = 188803689984. Its totient is φ = 78776255160.
The previous prime is 122103203009. The next prime is 122103203059. The reversal of 122103203031 is 130302301221.
It is not a de Polignac number, because 122103203031 - 221 = 122101105879 is a prime.
It is a super-2 number, since 2×1221032030312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122103202995 and 122103203013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122103203531) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8097021 + ... + 8112086.
It is an arithmetic number, because the mean of its divisors is an integer number (7866820416).
Almost surely, 2122103203031 is an apocalyptic number.
122103203031 is a deficient number, since it is larger than the sum of its proper divisors (66700486953).
122103203031 is an equidigital number, since it uses as much as digits as its factorization.
122103203031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16209153 (or 16209141 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 122103203031 its reverse (130302301221), we get a palindrome (252405504252).
The spelling of 122103203031 in words is "one hundred twenty-two billion, one hundred three million, two hundred three thousand, thirty-one".
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