Base | Representation |
---|---|
bin | 111001010101101000… |
… | …0000111010001111111 |
3 | 102202211021222111002022 |
4 | 1302223100013101333 |
5 | 4004133321243401 |
6 | 132322142350355 |
7 | 11616221351561 |
oct | 1625320072177 |
9 | 382737874068 |
10 | 123132212351 |
11 | 48246a18675 |
12 | 1ba4488b3bb |
13 | b7c40b0365 |
14 | 5d61327331 |
15 | 3309e6371b |
hex | 1cab40747f |
123132212351 has 2 divisors, whose sum is σ = 123132212352. Its totient is φ = 123132212350.
The previous prime is 123132212339. The next prime is 123132212377. The reversal of 123132212351 is 153212231321.
It is an a-pointer prime, because the next prime (123132212377) can be obtained adding 123132212351 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123132212351 is a prime.
It is a super-3 number, since 3×1231322123513 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123132212351.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123132212311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61566106175 + 61566106176.
It is an arithmetic number, because the mean of its divisors is an integer number (61566106176).
Almost surely, 2123132212351 is an apocalyptic number.
123132212351 is a deficient number, since it is larger than the sum of its proper divisors (1).
123132212351 is an equidigital number, since it uses as much as digits as its factorization.
123132212351 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2160, while the sum is 26.
Adding to 123132212351 its reverse (153212231321), we get a palindrome (276344443672).
The spelling of 123132212351 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred twelve thousand, three hundred fifty-one".
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