Base | Representation |
---|---|
bin | 111001010001101110… |
… | …0011001000001010101 |
3 | 102202111011111000202222 |
4 | 1302203130121001111 |
5 | 4003401302304023 |
6 | 132301142512125 |
7 | 11613041026400 |
oct | 1624334310125 |
9 | 382434430688 |
10 | 123001213013 |
11 | 48189a83958 |
12 | 1ba08a35645 |
13 | b7a2c04a63 |
14 | 5d4bb86d37 |
15 | 32ed6d8cc8 |
hex | 1ca3719055 |
123001213013 has 12 divisors (see below), whose sum is σ = 143118354240. Its totient is φ = 105403592952.
The previous prime is 123001213003. The next prime is 123001213063. The reversal of 123001213013 is 310312100321.
It is not a de Polignac number, because 123001213013 - 28 = 123001212757 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123001212982 and 123001213000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123001213003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107831 + ... + 507572.
It is an arithmetic number, because the mean of its divisors is an integer number (11926529520).
Almost surely, 2123001213013 is an apocalyptic number.
It is an amenable number.
123001213013 is a deficient number, since it is larger than the sum of its proper divisors (20117141227).
123001213013 is an equidigital number, since it uses as much as digits as its factorization.
123001213013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619496 (or 619489 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 123001213013 its reverse (310312100321), we get a palindrome (433313313334).
The spelling of 123001213013 in words is "one hundred twenty-three billion, one million, two hundred thirteen thousand, thirteen".
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