Base | Representation |
---|---|
bin | 111001011010101100… |
… | …0010011100100101011 |
3 | 102210021010201022001001 |
4 | 1302311120103210223 |
5 | 4010010321211021 |
6 | 132351052335431 |
7 | 11623353554302 |
oct | 1626530234453 |
9 | 383233638031 |
10 | 123302132011 |
11 | 48323925843 |
12 | 1ba91774577 |
13 | b820364c36 |
14 | 5d79b19439 |
15 | 3319d2a091 |
hex | 1cb561392b |
123302132011 has 4 divisors (see below), whose sum is σ = 123324527592. Its totient is φ = 123279736432.
The previous prime is 123302131951. The next prime is 123302132017. The reversal of 123302132011 is 110231203321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110231203321 = 83 ⋅1328086787.
It is a cyclic number.
It is not a de Polignac number, because 123302132011 - 215 = 123302099243 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 123302132011.
It is not an unprimeable number, because it can be changed into a prime (123302132017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11189530 + ... + 11200543.
It is an arithmetic number, because the mean of its divisors is an integer number (30831131898).
Almost surely, 2123302132011 is an apocalyptic number.
123302132011 is a deficient number, since it is larger than the sum of its proper divisors (22395581).
123302132011 is an equidigital number, since it uses as much as digits as its factorization.
123302132011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22395580.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 123302132011 its reverse (110231203321), we get a palindrome (233533335332).
The spelling of 123302132011 in words is "one hundred twenty-three billion, three hundred two million, one hundred thirty-two thousand, eleven".
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