Base | Representation |
---|---|
bin | 111001010100101110… |
… | …0111110100111100111 |
3 | 102202202012012002002222 |
4 | 1302221130332213213 |
5 | 4004103104432221 |
6 | 132315143422555 |
7 | 11615403664361 |
oct | 1625134764747 |
9 | 382665162088 |
10 | 123102030311 |
11 | 48230983437 |
12 | 1ba36754a5b |
13 | b7baa73570 |
14 | 5d5b30bd31 |
15 | 33074a09ab |
hex | 1ca973e9e7 |
123102030311 has 8 divisors (see below), whose sum is σ = 133155435504. Its totient is φ = 113132056320.
The previous prime is 123102030241. The next prime is 123102030343. The reversal of 123102030311 is 113030201321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123102030311 - 214 = 123102013927 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 123102030311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123102030361) 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, 20854730 + ... + 20860631.
It is an arithmetic number, because the mean of its divisors is an integer number (16644429438).
Almost surely, 2123102030311 is an apocalyptic number.
123102030311 is a deficient number, since it is larger than the sum of its proper divisors (10053405193).
123102030311 is a wasteful number, since it uses less digits than its factorization.
123102030311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41715601.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 123102030311 its reverse (113030201321), we get a palindrome (236132231632).
The spelling of 123102030311 in words is "one hundred twenty-three billion, one hundred two million, thirty thousand, three hundred eleven".
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