Base | Representation |
---|---|
bin | 111000110111100011… |
… | …1111010100010001110 |
3 | 102200012222210000220010 |
4 | 1301233013322202032 |
5 | 4000102044230110 |
6 | 132034104534050 |
7 | 11552222012340 |
oct | 1615707724216 |
9 | 380188700803 |
10 | 122123430030 |
11 | 47879546578 |
12 | 1b802a81326 |
13 | b6930b9944 |
14 | 5ca7371290 |
15 | 329b5ea020 |
hex | 1c6f1fa88e |
122123430030 has 64 divisors (see below), whose sum is σ = 336301797888. Its totient is φ = 27802704000.
The previous prime is 122123429983. The next prime is 122123430061. The reversal of 122123430030 is 30034321221.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 122123429979 and 122123430006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1105737 + ... + 1211156.
It is an arithmetic number, because the mean of its divisors is an integer number (5254715592).
Almost surely, 2122123430030 is an apocalyptic number.
122123430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122123430030 is an abundant number, since it is smaller than the sum of its proper divisors (214178367858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122123430030 is a wasteful number, since it uses less digits than its factorization.
122123430030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2317161.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 122123430030 its reverse (30034321221), we get a palindrome (152157751251).
The spelling of 122123430030 in words is "one hundred twenty-two billion, one hundred twenty-three million, four hundred thirty thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •