Base | Representation |
---|---|
bin | 111001010101100111… |
… | …1110110111001011001 |
3 | 102202211021212002000202 |
4 | 1302223033312321121 |
5 | 4004133312121431 |
6 | 132322141111545 |
7 | 11616220652120 |
oct | 1625317667131 |
9 | 382737762022 |
10 | 123132145241 |
11 | 48246982206 |
12 | 1ba448585b5 |
13 | b7c4088951 |
14 | 5d6130aab7 |
15 | 3309e4d8cb |
hex | 1cab3f6e59 |
123132145241 has 8 divisors (see below), whose sum is σ = 140729796480. Its totient is φ = 105536330208.
The previous prime is 123132145231. The next prime is 123132145249. The reversal of 123132145241 is 142541231321.
It is a happy number.
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-123132145241 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (123132145249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312221 + ... + 586298.
It is an arithmetic number, because the mean of its divisors is an integer number (17591224560).
Almost surely, 2123132145241 is an apocalyptic number.
It is an amenable number.
123132145241 is a deficient number, since it is larger than the sum of its proper divisors (17597651239).
123132145241 is an equidigital number, since it uses as much as digits as its factorization.
123132145241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 918103.
The product of its digits is 5760, while the sum is 29.
Adding to 123132145241 its reverse (142541231321), we get a palindrome (265673376562).
The spelling of 123132145241 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred forty-five thousand, two hundred forty-one".
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