Base | Representation |
---|---|
bin | 10110110100100100… |
… | …01001000100001111 |
3 | 1011121212112100122102 |
4 | 23122102021010033 |
5 | 200043020422112 |
6 | 5343433305315 |
7 | 612422221256 |
oct | 133222110417 |
9 | 34555470572 |
10 | 12252123407 |
11 | 5218005727 |
12 | 245b26523b |
13 | 120346b884 |
14 | 8432cb79d |
15 | 4ba973bc2 |
hex | 2da48910f |
12252123407 has 2 divisors, whose sum is σ = 12252123408. Its totient is φ = 12252123406.
The previous prime is 12252123383. The next prime is 12252123409. The reversal of 12252123407 is 70432125221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12252123407 - 210 = 12252122383 is a prime.
It is a super-2 number, since 2×122521234072 (a number of 21 digits) contains 22 as substring.
Together with 12252123409, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12252123407.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12252123409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126061703 + 6126061704.
It is an arithmetic number, because the mean of its divisors is an integer number (6126061704).
Almost surely, 212252123407 is an apocalyptic number.
12252123407 is a deficient number, since it is larger than the sum of its proper divisors (1).
12252123407 is an equidigital number, since it uses as much as digits as its factorization.
12252123407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 29.
Adding to 12252123407 its reverse (70432125221), we get a palindrome (82684248628).
The spelling of 12252123407 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-three thousand, four hundred seven".
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