Base | Representation |
---|---|
bin | 111001011010101100… |
… | …0010011010110101001 |
3 | 102210021010201020210210 |
4 | 1302311120103112221 |
5 | 4010010321143423 |
6 | 132351052331333 |
7 | 11623353551550 |
oct | 1626530232651 |
9 | 383233636723 |
10 | 123302131113 |
11 | 483239250a7 |
12 | 1ba91773b49 |
13 | b8203646c5 |
14 | 5d79b18d97 |
15 | 3319d29b93 |
hex | 1cb56135a9 |
123302131113 has 16 divisors (see below), whose sum is σ = 187894152576. Its totient is φ = 70456414080.
The previous prime is 123302131081. The next prime is 123302131123. The reversal of 123302131113 is 311131203321.
It is a happy number.
It is not a de Polignac number, because 123302131113 - 25 = 123302131081 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 123302131113.
It is not an unprimeable number, because it can be changed into a prime (123302131123) 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 15 ways as a sum of consecutive naturals, for example, 1091095 + ... + 1198787.
It is an arithmetic number, because the mean of its divisors is an integer number (11743384536).
Almost surely, 2123302131113 is an apocalyptic number.
It is an amenable number.
123302131113 is a deficient number, since it is larger than the sum of its proper divisors (64592021463).
123302131113 is a wasteful number, since it uses less digits than its factorization.
123302131113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162224.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 123302131113 its reverse (311131203321), we get a palindrome (434433334434).
The spelling of 123302131113 in words is "one hundred twenty-three billion, three hundred two million, one hundred thirty-one thousand, one hundred thirteen".
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