Base | Representation |
---|---|
bin | 111001010010101010… |
… | …1110000111001000000 |
3 | 102202120101100111202121 |
4 | 1302211111300321000 |
5 | 4003432423431313 |
6 | 132304240454024 |
7 | 11613605334034 |
oct | 1624525607100 |
9 | 382511314677 |
10 | 123033030208 |
11 | 481a5a35660 |
12 | 1ba1761a314 |
13 | b7a9694bba |
14 | 5d520aa1c4 |
15 | 33013c128d |
hex | 1ca5570e40 |
123033030208 has 112 divisors (see below), whose sum is σ = 268156944000. Its totient is φ = 55543726080.
The previous prime is 123033030199. The next prime is 123033030227. The reversal of 123033030208 is 802030330321.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79426618 + ... + 79428166.
Almost surely, 2123033030208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123033030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134078472000).
123033030208 is an abundant number, since it is smaller than the sum of its proper divisors (145123913792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123033030208 is a wasteful number, since it uses less digits than its factorization.
123033030208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2268 (or 2258 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 123033030208 its reverse (802030330321), we get a palindrome (925063360529).
The spelling of 123033030208 in words is "one hundred twenty-three billion, thirty-three million, thirty thousand, two hundred eight".
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