Base | Representation |
---|---|
bin | 1010010001011110… |
… | …1111001111100011 |
3 | 21010012001222100112 |
4 | 2210113233033203 |
5 | 21121431424433 |
6 | 1133350441535 |
7 | 125223642404 |
oct | 24427571743 |
9 | 7105058315 |
10 | 2757686243 |
11 | 1195707544 |
12 | 64b6632ab |
13 | 34c433510 |
14 | 1c236b9ab |
15 | 11217c348 |
hex | a45ef3e3 |
2757686243 has 8 divisors (see below), whose sum is σ = 2977657200. Its totient is φ = 2538835488.
The previous prime is 2757686227. The next prime is 2757686287. The reversal of 2757686243 is 3426867572.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2757686243 - 24 = 2757686227 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2757686191 and 2757686200.
It is not an unprimeable number, because it can be changed into a prime (2757686213) 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 7 ways as a sum of consecutive naturals, for example, 274928 + ... + 284781.
It is an arithmetic number, because the mean of its divisors is an integer number (372207150).
Almost surely, 22757686243 is an apocalyptic number.
2757686243 is a deficient number, since it is larger than the sum of its proper divisors (219970957).
2757686243 is a wasteful number, since it uses less digits than its factorization.
2757686243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560101.
The product of its digits is 3386880, while the sum is 50.
The square root of 2757686243 is about 52513.6767233070. The cubic root of 2757686243 is about 1402.3237332585.
The spelling of 2757686243 in words is "two billion, seven hundred fifty-seven million, six hundred eighty-six thousand, two hundred forty-three".
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