Base | Representation |
---|---|
bin | 101001001001110001100… |
… | …111011110110011001101 |
3 | 101000100112210212110102221 |
4 | 221021301213132303031 |
5 | 332313213112442244 |
6 | 10003055100015341 |
7 | 411213225645601 |
oct | 51116147366315 |
9 | 11010483773387 |
10 | 2827994655949 |
11 | 9a0389291981 |
12 | 398101831551 |
13 | 1768a92aa208 |
14 | 9ac38bb3501 |
15 | 4d868d2c784 |
hex | 292719deccd |
2827994655949 has 4 divisors (see below), whose sum is σ = 2828073512160. Its totient is φ = 2827915799740.
The previous prime is 2827994655883. The next prime is 2827994655973. The reversal of 2827994655949 is 9495564997282.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2827994655949 - 237 = 2690555702477 is a prime.
It is a super-2 number, since 2×28279946559492 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2827994655979) 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 3 ways as a sum of consecutive naturals, for example, 39374287 + ... + 39446044.
It is an arithmetic number, because the mean of its divisors is an integer number (707018378040).
Almost surely, 22827994655949 is an apocalyptic number.
It is an amenable number.
2827994655949 is a deficient number, since it is larger than the sum of its proper divisors (78856211).
2827994655949 is an equidigital number, since it uses as much as digits as its factorization.
2827994655949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78856210.
The product of its digits is 3527193600, while the sum is 79.
The spelling of 2827994655949 in words is "two trillion, eight hundred twenty-seven billion, nine hundred ninety-four million, six hundred fifty-five thousand, nine hundred forty-nine".
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