Base | Representation |
---|---|
bin | 1010001111111101… |
… | …1100001011001001 |
3 | 21002202002100221211 |
4 | 2203333130023021 |
5 | 21113314113211 |
6 | 1133002133121 |
7 | 125115543301 |
oct | 24377341311 |
9 | 7082070854 |
10 | 2751316681 |
11 | 1192056a43 |
12 | 6494b11a1 |
13 | 34b013249 |
14 | 1c1590601 |
15 | 11181ee21 |
hex | a3fdc2c9 |
2751316681 has 8 divisors (see below), whose sum is σ = 2938003200. Its totient is φ = 2570751120.
The previous prime is 2751316657. The next prime is 2751316699. The reversal of 2751316681 is 1866131572.
It is a happy number.
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 2751316681 - 27 = 2751316553 is a prime.
It is a super-2 number, since 2×27513166812 = 15139486958297711522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2751316651) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529311 + ... + 1531108.
It is an arithmetic number, because the mean of its divisors is an integer number (367250400).
Almost surely, 22751316681 is an apocalyptic number.
It is an amenable number.
2751316681 is a deficient number, since it is larger than the sum of its proper divisors (186686519).
2751316681 is a wasteful number, since it uses less digits than its factorization.
2751316681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3060479.
The product of its digits is 60480, while the sum is 40.
The square root of 2751316681 is about 52452.9949669225. The cubic root of 2751316681 is about 1401.2432291632.
The spelling of 2751316681 in words is "two billion, seven hundred fifty-one million, three hundred sixteen thousand, six hundred eighty-one".
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