Base | Representation |
---|---|
bin | 111111011110110… |
… | …1110011111010101 |
3 | 12111110011211011120 |
4 | 1332331232133111 |
5 | 13330302013141 |
6 | 551211354153 |
7 | 103533432315 |
oct | 17675563725 |
9 | 5443154146 |
10 | 2130110421 |
11 | 9a343453a |
12 | 4b5452959 |
13 | 27c40118a |
14 | 162c87445 |
15 | c7013c66 |
hex | 7ef6e7d5 |
2130110421 has 32 divisors (see below), whose sum is σ = 3050016768. Its totient is φ = 1317657600.
The previous prime is 2130110401. The next prime is 2130110441. The reversal of 2130110421 is 1240110312.
It is an interprime number because it is at equal distance from previous prime (2130110401) and next prime (2130110441).
It is not a de Polignac number, because 2130110421 - 26 = 2130110357 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2130110421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130110401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119571 + ... + 1121471.
It is an arithmetic number, because the mean of its divisors is an integer number (95313024).
Almost surely, 22130110421 is an apocalyptic number.
It is an amenable number.
2130110421 is a deficient number, since it is larger than the sum of its proper divisors (919906347).
2130110421 is a wasteful number, since it uses less digits than its factorization.
2130110421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2221.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2130110421 is about 46153.1192986996. The cubic root of 2130110421 is about 1286.6705844855.
Adding to 2130110421 its reverse (1240110312), we get a palindrome (3370220733).
The spelling of 2130110421 in words is "two billion, one hundred thirty million, one hundred ten thousand, four hundred twenty-one".
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