Base | Representation |
---|---|
bin | 111000110110111100… |
… | …1111111110100001111 |
3 | 102200011120100022020110 |
4 | 1301231321333310033 |
5 | 4000031332120211 |
6 | 132032055051103 |
7 | 11551553261442 |
oct | 1615571776417 |
9 | 380146308213 |
10 | 122103004431 |
11 | 47868a65511 |
12 | 1b7b8070a93 |
13 | b68bab78a5 |
14 | 5ca4775659 |
15 | 3299912ea6 |
hex | 1c6de7fd0f |
122103004431 has 4 divisors (see below), whose sum is σ = 162804005912. Its totient is φ = 81402002952.
The previous prime is 122103004409. The next prime is 122103004493. The reversal of 122103004431 is 134400301221.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 122103004431 - 218 = 122102742287 is a prime.
It is a super-2 number, since 2×1221030044312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122103004398 and 122103004407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122103004031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20350500736 + ... + 20350500741.
It is an arithmetic number, because the mean of its divisors is an integer number (40701001478).
Almost surely, 2122103004431 is an apocalyptic number.
122103004431 is a deficient number, since it is larger than the sum of its proper divisors (40701001481).
122103004431 is an equidigital number, since it uses as much as digits as its factorization.
122103004431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40701001480.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 122103004431 its reverse (134400301221), we get a palindrome (256503305652).
The spelling of 122103004431 in words is "one hundred twenty-two billion, one hundred three million, four thousand, four hundred thirty-one".
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