Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0111101100010111111 |
3 | 102200110001002000102022 |
4 | 1301310102331202333 |
5 | 4000241303241111 |
6 | 132050444550355 |
7 | 11554324443155 |
oct | 1616422754277 |
9 | 380401060368 |
10 | 122210212031 |
11 | 4791352a136 |
12 | 1b827b523bb |
13 | b6a8082c3b |
14 | 5cb4ac13d5 |
15 | 32a403d2db |
hex | 1c744bd8bf |
122210212031 has 2 divisors, whose sum is σ = 122210212032. Its totient is φ = 122210212030.
The previous prime is 122210212009. The next prime is 122210212043. The reversal of 122210212031 is 130212012221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122210212031 is a prime.
It is a super-2 number, since 2×1222102120312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122210212001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105106015 + 61105106016.
It is an arithmetic number, because the mean of its divisors is an integer number (61105106016).
Almost surely, 2122210212031 is an apocalyptic number.
122210212031 is a deficient number, since it is larger than the sum of its proper divisors (1).
122210212031 is an equidigital number, since it uses as much as digits as its factorization.
122210212031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122210212031 its reverse (130212012221), we get a palindrome (252422224252).
The spelling of 122210212031 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, thirty-one".
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