Base | Representation |
---|---|
bin | 1011001000110010… |
… | …0011010111101001 |
3 | 21201100112012022001 |
4 | 2302030203113221 |
5 | 22110321310144 |
6 | 1212354131001 |
7 | 134041323112 |
oct | 26214432751 |
9 | 7640465261 |
10 | 2989635049 |
11 | 12a4631075 |
12 | 6b5280a61 |
13 | 3884c582b |
14 | 2050a9209 |
15 | 1276e7bd4 |
hex | b23235e9 |
2989635049 has 8 divisors (see below), whose sum is σ = 3026230272. Its totient is φ = 2953185600.
The previous prime is 2989635043. The next prime is 2989635067. The reversal of 2989635049 is 9405369892.
It is a happy number.
2989635049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 2989635049 - 221 = 2987537897 is a prime.
It is a super-3 number, since 3×29896350493 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2989635043) 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, 5112 + ... + 77494.
It is an arithmetic number, because the mean of its divisors is an integer number (378278784).
Almost surely, 22989635049 is an apocalyptic number.
It is an amenable number.
2989635049 is a deficient number, since it is larger than the sum of its proper divisors (36595223).
2989635049 is a wasteful number, since it uses less digits than its factorization.
2989635049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72887.
The product of its (nonzero) digits is 4199040, while the sum is 55.
The square root of 2989635049 is about 54677.5552580764. Note that the first 3 decimals coincide. The cubic root of 2989635049 is about 1440.5866708348.
The spelling of 2989635049 in words is "two billion, nine hundred eighty-nine million, six hundred thirty-five thousand, forty-nine".
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