Base | Representation |
---|---|
bin | 111001010101010001… |
… | …0010111011111000111 |
3 | 102202210110102012210222 |
4 | 1302222202113133013 |
5 | 4004122234020403 |
6 | 132321033334555 |
7 | 11616014414006 |
oct | 1625242273707 |
9 | 382713365728 |
10 | 123120220103 |
11 | 48240177721 |
12 | 1ba4086745b |
13 | b7c1771a5a |
14 | 5d5d8c4c3d |
15 | 3308d95338 |
hex | 1caa8977c7 |
123120220103 has 8 divisors (see below), whose sum is σ = 123515526960. Its totient is φ = 122725342080.
The previous prime is 123120220037. The next prime is 123120220123. The reversal of 123120220103 is 301022021321.
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 123120220103 - 216 = 123120154567 is a prime.
It is a super-2 number, since 2×1231202201032 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123120220123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472943 + ... + 685503.
It is an arithmetic number, because the mean of its divisors is an integer number (15439440870).
Almost surely, 2123120220103 is an apocalyptic number.
123120220103 is a deficient number, since it is larger than the sum of its proper divisors (395306857).
123120220103 is a wasteful number, since it uses less digits than its factorization.
123120220103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214417.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 123120220103 its reverse (301022021321), we get a palindrome (424142241424).
The spelling of 123120220103 in words is "one hundred twenty-three billion, one hundred twenty million, two hundred twenty thousand, one hundred three".
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