Base | Representation |
---|---|
bin | 111111001111101… |
… | …0000100001000010 |
3 | 12110220011000221101 |
4 | 1332133100201002 |
5 | 13321230421310 |
6 | 550324245014 |
7 | 103405515325 |
oct | 17637204102 |
9 | 5426130841 |
10 | 2122123330 |
11 | 999979738 |
12 | 4b284076a |
13 | 27a8658a2 |
14 | 161ba87bc |
15 | c648743a |
hex | 7e7d0842 |
2122123330 has 32 divisors (see below), whose sum is σ = 3846268800. Its totient is φ = 842994432.
The previous prime is 2122123307. The next prime is 2122123337. The reversal of 2122123330 is 333212212.
It is a junction number, because it is equal to n+sod(n) for n = 2122123298 and 2122123307.
It is not an unprimeable number, because it can be changed into a prime (2122123337) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995706 + ... + 997834.
It is an arithmetic number, because the mean of its divisors is an integer number (120195900).
Almost surely, 22122123330 is an apocalyptic number.
2122123330 is a deficient number, since it is larger than the sum of its proper divisors (1724145470).
2122123330 is a wasteful number, since it uses less digits than its factorization.
2122123330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2778.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2122123330 is about 46066.5098526033. The cubic root of 2122123330 is about 1285.0603977728.
Adding to 2122123330 its reverse (333212212), we get a palindrome (2455335542).
It can be divided in two parts, 21221 and 23330, that added together give a triangular number (44551 = T298).
The spelling of 2122123330 in words is "two billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred thirty".
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