Base | Representation |
---|---|
bin | 111000111101100001… |
… | …0000001001111011111 |
3 | 102200201220200222011212 |
4 | 1301323002001033133 |
5 | 4001004220224411 |
6 | 132110002535035 |
7 | 11560166065664 |
oct | 1617302011737 |
9 | 380656628155 |
10 | 122323211231 |
11 | 4797129a101 |
12 | 1b85996747b |
13 | b6c55c8480 |
14 | 5cc5ad7a6b |
15 | 32ade0e68b |
hex | 1c7b0813df |
122323211231 has 8 divisors (see below), whose sum is σ = 138665988720. Its totient is φ = 106970905152.
The previous prime is 122323211177. The next prime is 122323211233. The reversal of 122323211231 is 132112323221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122323211231 is a prime.
It is a super-2 number, since 2×1223232112312 (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 = 122323211197 and 122323211206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122323211233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247617590 + ... + 247618083.
It is an arithmetic number, because the mean of its divisors is an integer number (17333248590).
Almost surely, 2122323211231 is an apocalyptic number.
122323211231 is a deficient number, since it is larger than the sum of its proper divisors (16342777489).
122323211231 is a wasteful number, since it uses less digits than its factorization.
122323211231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495235705.
The product of its digits is 864, while the sum is 23.
Adding to 122323211231 its reverse (132112323221), we get a palindrome (254435534452).
The spelling of 122323211231 in words is "one hundred twenty-two billion, three hundred twenty-three million, two hundred eleven thousand, two hundred thirty-one".
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