Base | Representation |
---|---|
bin | 1100010110101100011… |
… | …1001110010110110111 |
3 | 202021212002200012100212 |
4 | 3011223013032112313 |
5 | 11434142104002211 |
6 | 241301223500035 |
7 | 21222523041452 |
oct | 3055307162667 |
9 | 667762605325 |
10 | 212250453431 |
11 | 82018936185 |
12 | 351762b761b |
13 | 170273248a3 |
14 | a3b7096499 |
15 | 57c3bb838b |
hex | 316b1ce5b7 |
212250453431 has 2 divisors, whose sum is σ = 212250453432. Its totient is φ = 212250453430.
The previous prime is 212250453353. The next prime is 212250453463. The reversal of 212250453431 is 134354052212.
It is an a-pointer prime, because the next prime (212250453463) can be obtained adding 212250453431 to its sum of digits (32).
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212250453431 is a prime.
It is a super-2 number, since 2×2122504534312 (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 (212250450431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106125226715 + 106125226716.
It is an arithmetic number, because the mean of its divisors is an integer number (106125226716).
Almost surely, 2212250453431 is an apocalyptic number.
212250453431 is a deficient number, since it is larger than the sum of its proper divisors (1).
212250453431 is an equidigital number, since it uses as much as digits as its factorization.
212250453431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28800, while the sum is 32.
The spelling of 212250453431 in words is "two hundred twelve billion, two hundred fifty million, four hundred fifty-three thousand, four hundred thirty-one".
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