Base | Representation |
---|---|
bin | 1001000001000000… |
… | …0001111010001110 |
3 | 20020122212220012122 |
4 | 2100100001322032 |
5 | 14424022334410 |
6 | 1040051332542 |
7 | 113654456012 |
oct | 22020017216 |
9 | 6218786178 |
10 | 2420121230 |
11 | 103210599a |
12 | 5765b1152 |
13 | 2c75122c7 |
14 | 18d5ba542 |
15 | e26ece55 |
hex | 90401e8e |
2420121230 has 16 divisors (see below), whose sum is σ = 4357374480. Its totient is φ = 967791552.
The previous prime is 2420121199. The next prime is 2420121239. The reversal of 2420121230 is 321210242.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2420121199 and 2420121208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420121239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10082 + ... + 70298.
It is an arithmetic number, because the mean of its divisors is an integer number (272335905).
Almost surely, 22420121230 is an apocalyptic number.
2420121230 is a deficient number, since it is larger than the sum of its proper divisors (1937253250).
2420121230 is a wasteful number, since it uses less digits than its factorization.
2420121230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64243.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2420121230 is about 49194.7276646594. The cubic root of 2420121230 is about 1342.5971073211.
Adding to 2420121230 its reverse (321210242), we get a palindrome (2741331472).
The spelling of 2420121230 in words is "two billion, four hundred twenty million, one hundred twenty-one thousand, two hundred thirty".
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