Base | Representation |
---|---|
bin | 1101110100101110… |
… | …10110110100011001 |
3 | 201011020010222221020 |
4 | 12322113112310121 |
5 | 110144420332444 |
6 | 3224235433053 |
7 | 351626001054 |
oct | 67227266431 |
9 | 21136128836 |
10 | 7421652249 |
11 | 3169369200 |
12 | 15315b5789 |
13 | 913788a0b |
14 | 505959a9b |
15 | 2d6858119 |
hex | 1ba5d6d19 |
7421652249 has 12 divisors (see below), whose sum is σ = 10876912368. Its totient is φ = 4497970840.
The previous prime is 7421652229. The next prime is 7421652253. The reversal of 7421652249 is 9422561247.
It is a happy number.
It is not a de Polignac number, because 7421652249 - 224 = 7404875033 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7421652249.
It is not an unprimeable number, because it can be changed into a prime (7421652229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10222299 + ... + 10223024.
It is an arithmetic number, because the mean of its divisors is an integer number (906409364).
Almost surely, 27421652249 is an apocalyptic number.
It is an amenable number.
7421652249 is a deficient number, since it is larger than the sum of its proper divisors (3455260119).
7421652249 is a wasteful number, since it uses less digits than its factorization.
7421652249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20445348 (or 20445337 counting only the distinct ones).
The product of its digits is 241920, while the sum is 42.
The square root of 7421652249 is about 86149.0118863821. The cubic root of 7421652249 is about 1950.5939237545.
The spelling of 7421652249 in words is "seven billion, four hundred twenty-one million, six hundred fifty-two thousand, two hundred forty-nine".
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