Base | Representation |
---|---|
bin | 1001000001010111… |
… | …0110111001001001 |
3 | 20020202202111212120 |
4 | 2100111312321021 |
5 | 14424420231334 |
6 | 1040144201453 |
7 | 114003451035 |
oct | 22025667111 |
9 | 6222674776 |
10 | 2421648969 |
11 | 1032a59793 |
12 | 577009289 |
13 | 2c79287ac |
14 | 18d8971c5 |
15 | e2900949 |
hex | 90576e49 |
2421648969 has 16 divisors (see below), whose sum is σ = 3310548864. Its totient is φ = 1573660800.
The previous prime is 2421648949. The next prime is 2421649037. The reversal of 2421648969 is 9698461242.
It is not a de Polignac number, because 2421648969 - 25 = 2421648937 is a prime.
It is a super-2 number, since 2×24216489692 = 11728767458117525922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2421648949) 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, 141084 + ... + 157314.
It is an arithmetic number, because the mean of its divisors is an integer number (206909304).
Almost surely, 22421648969 is an apocalyptic number.
It is an amenable number.
2421648969 is a deficient number, since it is larger than the sum of its proper divisors (888899895).
2421648969 is a wasteful number, since it uses less digits than its factorization.
2421648969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17488.
The product of its digits is 1492992, while the sum is 51.
The square root of 2421648969 is about 49210.2526817329. The cubic root of 2421648969 is about 1342.8795596330.
The spelling of 2421648969 in words is "two billion, four hundred twenty-one million, six hundred forty-eight thousand, nine hundred sixty-nine".
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