Base | Representation |
---|---|
bin | 1010111101011100… |
… | …1010101111000001 |
3 | 21121001001110101011 |
4 | 2233113022233001 |
5 | 22011133223311 |
6 | 1203535040521 |
7 | 132623214304 |
oct | 25727125701 |
9 | 7531043334 |
10 | 2942086081 |
11 | 127a804900 |
12 | 6a1370141 |
13 | 37b6b7c4c |
14 | 1dca4cb3b |
15 | 123454321 |
hex | af5cabc1 |
2942086081 has 9 divisors (see below), whose sum is σ = 3234519169. Its totient is φ = 2674081300.
The previous prime is 2942086067. The next prime is 2942086099. The reversal of 2942086081 is 1806802492.
The square root of 2942086081 is 54241.
It is a perfect power (a square), and thus also a powerful number.
2942086081 is nontrivially palindromic in base 15.
2942086081 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
It is not a de Polignac number, because 2942086081 - 27 = 2942085953 is a prime.
It is a super-2 number, since 2×29420860812 = 17311741016027877122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2942086061) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 594186 + ... + 599116.
Almost surely, 22942086081 is an apocalyptic number.
2942086081 is the 54241-st square number.
2942086081 is the 27121-st centered octagonal number.
It is an amenable number.
2942086081 is a deficient number, since it is larger than the sum of its proper divisors (292433088).
2942086081 is an frugal number, since it uses more digits than its factorization.
2942086081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9884 (or 4942 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The cubic root of 2942086081 is about 1432.9084984965.
The spelling of 2942086081 in words is "two billion, nine hundred forty-two million, eighty-six thousand, eighty-one".
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